pls some one help
1 mark question

Pls Some One Help1 Mark Question

Answers

Answer 1

Answer:

The atomic number of Chlorine(Cl) is 17 and the electronic configuration is 2,8,7 with seven electrons in the valence shell.

Hope that helps. x

Answer 2

Answer:

See below

Explanation:

Chlorine has 17 electrons in it's shell.

(See the attached file to get the idea of what subshell would be filled first).

The accommodations:

s = 2 electrons

p = 6 electrons

d = 10 electrons

f = 14 electrons

Now, the electronic configuration of chlorine:

1s²2s²2p⁶3s²3p⁵

(2+2+6+2+5 = 17 electrons)

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807
Pls Some One Help1 Mark Question

Related Questions

001 10.0 points
If you mix 4.5 g of HCl in enough water to
make 0.9 L (900 mL) of solution, what is the
molarity of the solution?
Answer in units of M.

Answers

M=moles of solute/liters solvent

4.5g HCl/36.45 g/mol HCl=0.12 moles

0.12/0.9= 0.14 M

Which of these substances is commonly refined by electrolysis?
brine
rust
titanium
water

Answers

I believe the answer would be titanium. Good luck on your assignment and have a happy christmas :)

What is the atomic mass, in amu, of this atom?

Answers

Answer:precisely 1/12 the mass of an atom of carbon-12.

Explanation:The carbon-12 (C-12) atom has six protons and six neutrons in its nucleus. In imprecise terms, one AMU is the average of the proton rest mass and the neutron rest mass.

Anyone pls help me with science

Answers

Answer:

50% pups have solid fur

50%, pups haven't solidfur

2. DOMINANT FF IS NOT POSSIBLE

an atom of which of the following elements can form the most bonds?
a. phosphorus
b. sodium
c. oxygen
d.oxygen

Answers

Answer:
A.phosphorus
:)

what element has 12 protons 12 neutrons and 11 electrons

Answers

Answer:

sodium atom

Explanation:

what is the magnitude of the acceleration that is produced when the brakes of a 2.4 x 10
cubed kg car apply a 3.2 x 10 cubed N force to stop the car

Answers

Answer:

b 1.3 m/s

Explanation:

newton's second law of motion

(BRAINLIEST AND 50 POINTS) no links
Name one organ system that isn't the Nervous system, Respiratory system, Skeletal system, and Circulatory system, and explain how can that system help keep you safe during a forest fire.

Answers

Answer:

Endocrine system

Explanation:

Endocrine system influences the function of the body's hormones via internal glands that are secreted into the circulatory system.

in a forest fire, your endocrine system would trigger the release of  adrenaline which is the fight or flight hormone. it would affect your heart rate, metabolism, oxygen intake, and blood flow allowing you to move quicker and escape the fire

Select all the correct answers.
In the cathode ray tube experiment, J.J. Thomson passed an electric current through different gases inside a cathode ray tube in the presence of
an electric field. In which two ways did this experiment change scientists' understanding of the atom?
O It showed that atoms combine in different proportions.
O It showed that atoms can be divided into smaller parts.
M It showed that all atoms of the same element are similar.
D
It showed that individual atoms could be destroyed
showed that all atoms contain electrons.

Answers

The two ways the cathode ray tube experiment changed scientists'

understanding of the atom was it showing that atoms can be divided into

smaller parts and all atoms contain electrons.

J.J Thompson was the scientist which performed the cathode ray tube

experiment and was able to ascertain it was negatively charged as a result

of it being deflected to the positive electrode.

His observation showed that the atoms contain sub-atomic particles called

electrons which are negatively charged.

Read more on https://brainly.com/question/15361325

1. Balance the following equation. Then, given the
moles of reactant or product below, determine
the corresponding amount in moles of each of
the other reactants and products.
NH3 + O2 ———> N2 + H2O
a. 4 mol NH3 b. 4 mol N2 G. 4.5 mol O2

Answers

Answer:

[tex]to \: know \: the \: answer[/tex]

[tex]refer \: to \: the \: above \: attatchment[/tex]

Hope this helps you !!

if the atoms that share electrons have an unequal attraction for the electrons, the bond is called

Answers

Answer:

A polar covalent bond is a covalent bond in which the atoms have an unequal attraction for electrons and so the sharing is unequal. In a polar covalent bond, sometimes simply called a polar bond, the distribution of electrons around the molecule is no longer symmetrical.

Explanation:

What does the answer of element 3Na2S2O3?

Answers

Answer:

Explanation:

3× 22+2×32+ 6×16=

66+64+96=236

Which of the following is true for the percentage yield of a reaction?

А. It is the combined yield from the excess reactant and the limiting reactant.

B. It is the calculated yield of the product based on stoichiometry alone.

C. It is calculated based on stoichiometry as well as experimentation.

D. It is the yield of the product from the limiting reactant alone.​

Answers

Answer:

It is always less than the theoretical yield

Explanation:

For many chemical reactions, the actual yield is usually less than the theoretical yield. This is due to possible loss in the process or inefficiency of the chemical reaction.

The heating system on the second floor is being fixed Dr Kline explained Please bring these extra blankets up there for the patience

Answers

Whats the question??

Find the unit price: 12 eggs for $3. How much is the cost per (one) egg?.

Answers

it's 3 dollars per 12 eggs so 3/12

simplify 3/12 by dividing both numbers by 3 so you get 1/4

you should know what 1/4 of a dollar is

or think of it this way 12 eggs are 3 dollars so every 4 eggs is one dollar. divide 1 dollar by 4 eggs

Question 5 (Fill-In-The-Blank Worth 2 points)
(03.05 LC)

The number that represents a neutral pH is _______.

Numerical Answers Expected!

Answer for Blank 1:

Question 6(Multiple Choice Worth 2 points)
(03.05 MC)

Which item is made from an acidic ingredient?

Detergent
Soap
Ammonia
Vinegar
Question 7(Multiple Choice Worth 2 points)
(03.05 MC)

Which substances will make a salt when combined?

Vinegar and tea
Soda and wine
Soda and ammonia
Fertilizer and detergent
Question 8(Multiple Choice Worth 2 points)
(03.05 MC)

Which description is not a property of an acid?

pH lower than 7
Turns litmus paper blue
Sour taste
Corrosive
Question 9(Multiple Choice Worth 2 points)
(03.05 MC)

Complete the sentence. When an acid is added to water, hydrogen ions __________.

increase
decrease
stay the same
disappear

Answers

5. neutral pH is 7
6. vinegar
7. soda and ammonia
8. turns litmus paper blue
9. stay the same

.The 1" row of the periodic table has which two elements?

Answers

On the periodic table, hydrogen and helium are the only two elements in the first row, or period, which reflects that they only have electrons in their first shell. Hydrogen and helium are the only two elements that have electrons exclusively in the 1 s 1s 1s orbital in their neutral, non-charged, state.

explain why titanium conducts electricity

Answers

Answer:

Because they are electrical conductors because their delocalized electrons carry electrical charge through the metal. they are good conductors of thermal energy because their delocalized electrons transfer energy.

I hope it helps.

Can anyone pls answerrrrt

Answers

Answer:

wdym

Explanation:

hmm

The percent of attacks on the dark-colored mouse models is how many times greater than the percent of attacks on light-colored models

Answers

The number of times the percentage of attacks on the dark-colored mouse is greater than the percentage of attacks on light-colored mouse is four (4) times.

Let the percent of attacks on the dark-colored mouse be D.Let the percent of attacks on light-colored mouse be L.

Given the following data:

Light-colored mouse models = 20 percentDark-colored mouse models = 80 percent

To determine the number of times the percentage of attacks on the dark-colored mouse is greater than the percentage of attacks on light-colored mouse.

Therefore, we would simply divide the percentage for the dark-colored mouse by the percentage for the light-colored mouse as follows:

[tex]Number \;of\;times = \frac{D}{L}[/tex]

Substituting the given parameters into the formula, we have;

[tex]Number \;of\;times = \frac{80}{20}[/tex]

Number of times = 4 times.

Read more on percentage here: https://brainly.com/question/14432715

After moving down a group in the periodic table, the number of valence electrons

Answers

the number of Valence electrons remains the same

Two protons and two neutrons are released as a result of this reaction. Superscript 222 subscript 86. Rn Right arrow superscript 218 subscript 84. Po ? Which particle is released? one alpha particle two beta particles one alpha and one beta particle one high-energy photon.

Answers

The particle released in the reaction has been an alpha particle. Thus, option A is correct.

The release of protons and neutrons in a reaction has been nuclear reactions. The reactions results in the change in the atomic mass of the atom, with the formation of new atom. The extra mass has been released in the form of energy.

The release from the given reaction has been:

[tex]\rm ^{222}_{66}Rn\;\rightarrow\;^{218}_{84}Po\;+\;^A_ZX[/tex]

Where, X has been the particles that has been released with the nuclear reaction. The superscript A has been the Mass of particle, and subscript Z has been the atomic number.

According to the law of conservation, the mass has been constant on both the product and the reactant side. Thus, the mass and atomic number of eliminated particles has been given as:

[tex]\rm 222=218+A\\A=222-218\\A=4[/tex]

The atomic mass of the particle has been 4.

[tex]\rm 86=84+Z\\Z=86-84\\Z=2[/tex]

The atomic number of the particle has been 2.

The element with atomic mass 4, and atomic number 2 has been the Helium particles, [tex]\rm ^4_2He[/tex]. It has been an alpha particle. Thus, the particle released in the reaction has been an alpha particle. Thus, option A is correct.

For more information about the particles released, refer to the link:

https://brainly.com/question/2600896

Answer:

A

Explanation:

1. While on a movie set, a stuntman jumps off
the roof of a building. As he falls toward an
airbag, what is increasing?
A. gravity
B. wind velocity
C. kinetic energy
D. potential energy

Answers

kinetic energy kkkkkkkkkk

The MSDS for propane gives it a health rating of 1, a flammability rating of 4, and a reactivity rating of 0. According to the MSDS, which best describes propane? highly corrosive highly toxic highly flammable highly reactive.

Answers

Propane has MSDS rating for flammability 4, thus the compound has been highly flammable. Thus, option C is correct.

The MSDS has been the Material Safety Data Sheet . It has been given for the compounds hazardous levels. The compounds have been checked on various parameters and ranked on the scale of 0 to 4.

The compounds being less value in the parameter has 0 value, while 4 has been the maximum value.

The MSDS rating for propane has been able to deliver the compound to be:

Health rating: 1

The compound has been less positive towards the health.

Flammability: 4

The compound has been highly flammable.

Reactivity: 0

The compound has been least reactive.

Since, propane has MSDS rating 4 for flammability, the compound has been highly flammable. Thus, option C is correct.

For more information about the MSDS rating, refer to the link:

https://brainly.com/question/2852656

Answer:A) Highly corrosive but not highly flammable

Explanation:

right on edge :)

Help!! I’ll mark you Brainliest.!

Answers

Answer:

For 5 pts? gimme that

Explanation:

Answer:

Explanation:

if you know what those phrases mean, then you can look them up and draw those pictures you find, as well as add the definition of each.

oxygen is odorless and colorless physical or chemical

Answers

Answer:

(Physical or Chemical) properties of a substance can easily be observed. … (Physical or Chemical) properties can be used to identify substances. physical property. Oxygen is odorless and colorless.

Explanation:

7. Balance the following reaction under basic conditions: Al (s) + Cr2O72- (aq) -> Al3+ (aq) + Cr3+ (aq)

8. What is the ^o of the following balanced redox reaction (use the reduction potentials provided in Table 11.1
below)?

Fe3+ (aq) + Au (s) -> Fe (s) + Au3+ (aq)

9. What is G for the reaction below – calculate it from the ^o ?

Fe (s) + Au3+ (aq) -> Fe3+ (aq) + Au (s)

Answers

The free energy change of the reaction; Fe (s) + Au3+ (aq) -> Fe3+ (aq) + Au (s) is calculated to be -443.83KJ/mol.

For the reaction shown in question 7, we can divide it into half equations as follows;

Oxidation half equation;

6 Al (s) -------> 6Al^3+(aq) + 18e

Reduction half equation;

3Cr2O7^2-(aq) + 42H^+(aq)   + 18e -----> 6Cr^3+(aq) + 21H2O(l)

The balanced reaction equation is;

6Al(s) + 3Cr2O7^2-(aq) + 42H^+(aq)   -----> 6Al^3+(aq) + 6Cr^3+(aq) + 21H2O(l)

The E° of this reaction is obtained from;

E° anode = -0.04 V

E°cathode = +1.50 V

E° cell = +1.50 V - (-0.04 V) = 1.54 V

Given that;

ΔG° = -nFE°cell

n = 3, F = 96500, E°cell = 1.54 V

ΔG° = -(3 × 96500 × 1.54)

ΔG° = -443.83KJ/mol

Learn more: https://brainly.com/question/967776

How can I increase the time over which the collision occurs?

Answers

Explanation:

The laws of physics determine that the force of impact increases with the square of the increase in speed. So, if you double the speed of a car, you increase its force of impact four times. If you triple the speed, the impact is nine times as great.

Observe that the greater the time over which the collision occurs, the smaller the force acting upon the object. Thus, to minimize the effect of the force on an object involved in a collision, the time must be increased.

what is the name of the compound whose formula is n,i,2o?

Answers

Answer:

Explanation:

Dinitrogen pentaoxide is a nitrogen oxide.

...

3.1Computed Properties.

Property Name Property Value Reference

Formal Charge 0 Computed by PubChem

Which correctly lists three items that are removed during the purification of wastewater?
chemicals, gases, solids
debris, chemicals, solids
gases, debris, groundwater
groundwater, gases, harmful organisms

Answers

Answer: its the 3rd one

Explanation:

Answer:

gases, debris, groundwater.

Explanation:

if I'm wrong blame me.

hope it helps.

and can I have briniest

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