PHYSICS HIGH SCHOOL

When compounds form, what is one result for the atoms that bonded?A. a stable arrangement of electrons

B. an unstable arrangement of electrons

C. more than eight electrons in their valence shell

D. fewer than eight electrons in their valence shell

Answers

Answer 1
Answer: One result for the atoms that bonded together when a compound forms is a stable arrangement of electrons.
Answer 2
Answer: When compounds form, the result for the atoms that are bonded is a stable arrangement of electrons. The answer is letter A. An unstable arrangement of electrons, more than eight electrons in their valence shell and fewer than eight electrons in their valence shell do not result in the bonding of atoms.

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Electrons are added into the outermost what in groups 1 & 2

Answers

S orbital.

Group 1 elements have a general configuration ns^(1), where n represents the highest occupied Principal Energy Level. For example, Lithium has the valence configuration 2s^(1) whereas Cesium has 6s^(1). Both of them belong to Group 1 of Periodic Table.

Group 2 elements have a general configuration of ns^(2). For example, Magnesium has 3s^(2) as its outer shell configuration while Strontium has the same as 5s^(2).

We see that in both the cases, the outermost S orbital is being filled.

Which of the following are capital cities in the Caribbean? Lima La Habana San Juan San Jos Guinea Ecuatorial

Answers


Caribbean:
Habana ... Cuba
San Juan ... Puerto Rico
San Jose ... Costa Rica

Other:
Lima ... capital of Peru in South America
Equatorial Guinea ... country in Africa

While researching machines and how they work, Tika finds several online sites that discuss how force and distance are related to work done by a machine.How should Tika most likely describe this relationship between force and distance to her study group?

If the input force is less than the output force, then the input distance must be greater than the output distance.
If the input force is greater than the output force, then the input distance must be greater than the output distance.
If the input force is less than the output force, then the input distance must be the same as the output distance.
If the input force is equal to the output force, then the input distance must be greater than the output distance.

Answers

The right answer for the question that is being asked and shown above is that: "If the input force is greater than the output force, then the input distance must be greater than the output distance." Tika most likely describe this relationship between force and distance to her study group is that If the input force is greater than the output force, then the input distance must be greater than the output distance.

Answer:

If the input force is less than the output force, then the input distance must be greater than the output distance.

Explanation:

I just took the test on E2020

All contraceptives prevent STIs true or false

Answers

False. Not all contraceptives prevent STIs.

Contraceptives are items used or taken to prevent conception. These are birth control pill, patch, ring, IUD, birth control shots, and condoms. Among these contraceptives, condoms are the only type of birth control that prevents STIs or Sexually Transmitted Infections.

All contraceptives prevent STIs is False because not all them are used in STI prevention.

What is contraceptives about?

Not all contraceptives prevent sexually transmitted infections (STIs). Only condoms, dental dams, and some internal condoms, such as the female condom, can help prevent the transmission of STIs.

Other forms of contraception, such as birth control pills, the patch, the ring, and the shot, do not protect against STIs. This is because they work by preventing ovulation or by thickening the cervical mucus, which makes it more difficult for spermto reach the egg. They do not prevent the transmission of STIs because they do not block the exchange of bodily fluids, which is how STIs are spread.

So, the answer is false.

Find out more on contraceptives here: brainly.com/question/2296833

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In scientific terms, how is power related to work? A.Power is the ability to do work.


B.Power is the force of work over a certain distance.


C.Power is the rate at which work is accomplished.


D.Power is the energy supplied in a force.

Answers

The answer is c. Hope this helps :)

a ball is thrown upward at 25 m/s from the ground. what is the average velocity and average speed of the ball after 5 seconds?​

Answers


When the ball reaches the highest point, its velocity will be zero. So final velocity is v=0m/s
Here, the time to reach highest point is equal to time to hit ground from highest point.
Consider upward motion, the acceleration of the ball is a=−g=−9.8m/s
2
(minus for motion opposite to gravity)
If t be the required time.
Using v=u+at,
0=25+(−9.8)t
⟹ t=2.5s
Thus the ball hits the ground after 2.5 seconds after reaching its highest point.
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