When atoms form a bond, it is usually because each atom acquires a more stable arrangement of electrons in its electron shells. What is the best description of this arrangement of electrons?

A.
All shells have the same number of electrons.

B.
The inner shells are empty.

C.
The outer shell is completely full.

D.
All shells are half full.

Answers

Answer 1

Answer: C. Usually when an atom loses or gains an electron, it is because it is trying to satisfy the Octet Rule. The Octet Rule states that an atom is at its stablest when it has 8 valence electrons (two in helium's case)

If you look on the periodic table, elements on the left (Alkaline Metals) are the most reactive because they only have one valence electron (or electron in the outer shell). Elements on the right (Noble Gases) are the least reactive because they have a full outer shell of 8 valence electrons.

Later on you will find that as stability decreases as you go down the periodic table but that is a discussion for a different time.

Answer 2

Answer: the answer is C.The outer shell is completely full.

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Explain why the phrase "by ordinary means" was added to the Law of Conservation of Energy

Answers

The phrase "by ordinary means" was added to the Law of Conservation of Energy because kind to be expected in the normal order of events.

What is mean byLaw of Conservation of Energy and who proposed it?

Law of Conservation of Energy law, first proposed and tested by Émilie du Châtelet, means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another. For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes
The conservation of energy formula goes Ki+Ui=Kf+Uf. U is potential energy and K is kinetic energy..

The laws of conservation of energy, momentum, and angular momentum are all derived from classical mechanics.

The phrase "by ordinary means" was added The phrase "by ordinary means" was added.

To learn more about laws of conservation of energy refer:brainly.com/question/11911812

#SPJ2

-it can only be converted from one form to another.

A car goes 152 miles in 2 hours and 5 minutes. Calculate the car’s speed in units of m/s. 1 mi = 1600 m.

Answers

Answer:

The speed of the car is 32.4m/s

Explanation:

1mi = 1600m

152mi = 243 200m

2hr 5min = 7200s + 300s

= 7500s

speed = distance/time

= 243200/7500

= 32.4m/s (3s.f)

Hope it helps :) !!!!!!

How do you find density?

Answers

density = mass / volume

*mass must be in grams and volume must be in liters

With mass and volume!! Hope this helped!!

What kind of wave is a sound wave?

Answers

A wave sound is a longitudinal wave.
HOPE THIS HELPS :)

a wave sound is a longitudinal wave.

10 POINTS!!! Determine the pressure of your book in pascals (Pa). Show your work! (the pressure of the book in psi is 0.03 psi) Also the weight of the book is 3 lbsHInt: 1 Pa = 1 N/m^2 Weight (force) = ma 1 kg = 2.2 lbs 1 inch = 2.54 cm 1m = 100 cm

Answers

You've listed a lot of data here, in both metric and customary units,
and I'm not even sure it's all needed. Let me try and boil it down:

Pressure on a surface =
   (total force on a surface) divided by (area of the surface).

The answer to the question is the pressure expressed in pascals.
There's actually enough information here to answer the question
in 2 different ways. We could ...

-- simply convert (0.03 pound per inch²) to pascals, or
-- go through the whole calculation of force, area, and then their quotient.

To me, converting 0.03 psi to Pa looks easier.

-- 1 pascal = 1 newton / 1 meter²

-- On Earth, 1 kilogram of mass weighs 9.8 Newtons and 2.2 pounds.
From this, we can calculate that

2.2 pounds of force = 9.8 newtons of force.

   1 pound = 4.45 newtons

(0.03 pound/inch²) x (4.45 newton/pound) x (1inch/2.54cm)² x (100cm/1m)² =

(0.03 x 4.45 x 1² x 100²) / (2.54² x 1²)    newton/meter² = 206.9 Pa .

Global warming refers specifically to an increase in

Answers

I think it is C hope it helped

The answer is C. hope it helps

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