Question

The Composition of Atoms Quick Check questions and answers
Science 8 A Unit 3: Matter Interactions


A. A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy level?

1. four in the first energy level, four in the second energy level
2. eight in the first energy level, zero in the second energy level
3. zero in the first energy level, eight in the second energy level
4. two in the first energy level, six in the second energy level *

B. Which statement about an atom is correct?

1.The neutron has no charge and is found outside of the nucleus
2.The proton has no charge and is found in the nucleus
3.The neutron has a negative charge and is found in the nucleus
4.The electron has a negative charge and is found outside of the nucleus *

C. A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the model?

1.Subtract the atomic number from the mass number *
2.Add the number of electrons to the number of protons.
3.Subtract the number of electrons from the number of protons.
4.Add the atomic number and the mass number

D. What is the atomic number of an atom?

1. the number of protons *
2. the number of particles outside the nucleus
3. the number of particles in the nucleus
4.the number of neutrons

* = Right answers
This is what I got, hope they help!
-Koolkid

Answer 1

did u take the test

Answer 2

if u did write the answers

Answer 3

Yes I took it and got 100% on it

Answer 4

I put the * to show my answers on the questions
Your welcome

Answer 5

Thank you KoolKid, I got 100% on my test because of you and now I'm not behind anymore

Answer 6

@koolkid is right .i got 100% on my test. thx ;)

Answer 7

I used to have a C and now I have a B thxxx @KoolKid

Also suscribe to my channel!!

Answer 8

@koolkid is right got me a 100

Answer 9

@koolkid is right

Answer 10

uhh i got 2 out of 4 for some reason lol

Answer 11

koolkid is right

Answer 12

the real answers are
1=b
2=d
3=a
4=a
thanks for the 0% ;-;

Answer 13

@koolkid is 100% right! And @heavy nightmare you just had to read @koolkid just put them in the wrong order, maybe just take the time to read some stuff ok?!

Answer 14

Only go w\ @koolkid answers!! And read them PLEASE THATS WHERE YOU WILL GET YOUR ANSWERS IS BY READING THEM!

Answer 15

GUYS!
Here among us is a thread WITHOUT Mrs. Sue in it!!!
*flares wing and roars in approval*

Answer 16

you're weird bro.

Answer 17

Dude, @Moon Watcher? that's epic yo.

Answer 18

Cool kid is write

Answer 19

Randmmmmmmmmm is right just red that's it

Answer 20

koolkid is right!! thank you <33

Answer 21

Koolkid is right made 100%

Answer 22

What the answers??

Answer 23

1.b
2.d
3.b
4.c
i got 100%

Answer 24

1 two in the first energy level, six in the second energy level
2 The electron has a negative charge and is found outside of the nucleus.
3 Subtract the atomic number from the mass number.
4 the number of protons in the atom
those are the real answers weirdo is wrong he are the right ones!

Answer 25

@gabriellejm8658

Answer 26

Ur the one that said ur Lexi

Answer 27

Thx coolkid !!

Answer 28

Koolkid is correct!!!! Thanks i made a 100%

Answer 29

yaya

Answer 30

ty koolkid just got a 4/4:)

and i didnt read any of the lesson😭

Answer 31

KoolKid is not right. He got me a 50%

Answer 32

Thanks @KoolKid! 100% on the quick check! Do you go to Connexus?

Answer 33

Lexi is correct 100%

Answer 34

All I Know is that 1.d 2.a pls help quick pls tell me the words and not the letter/number

Answer 35

thank you @koolkid 100 on my test

Answer 36

remember @koolkid said that * means its correct

Answer 37

this website is a life change i tell ya

Answer 38

changer*

Answer 39

ty kool kid

Answer 40

Here is koolkid's answers so you don't have to go back up

The Composition of Atoms Quick Check questions and answers
Science 8 A Unit 3: Matter Interactions

A. A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy level?

1. four in the first energy level, four in the second energy level
2. eight in the first energy level, zero in the second energy level
3. zero in the first energy level, eight in the second energy level
4. two in the first energy level, six in the second energy level *

B. Which statement about an atom is correct?

1.The neutron has no charge and is found outside of the nucleus
2.The proton has no charge and is found in the nucleus
3.The neutron has a negative charge and is found in the nucleus
4.The electron has a negative charge and is found outside of the nucleus *

C. A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the model?

1.Subtract the atomic number from the mass number *
2.Add the number of electrons to the number of protons.
3.Subtract the number of electrons from the number of protons.
4.Add the atomic number and the mass number

D. What is the atomic number of an atom?

1. the number of protons *
2. the number of particles outside the nucleus
3. the number of particles in the nucleus
4.the number of neutrons

* = Right answers
This is what I got, hope they help!
-Koolkid

Answer 41

answers with a * next to it are the correct answers remember.

Answer 42

Lexi is right. Read your constitution. Protect your rights! It’s the only way to save america!!!

Answer 43

It really works! I couldn't understand this lesson. Thanks, KoolKid!

Answer 44

heavy nightmare Is wrong got a 2/4 the answers are
1.D
2.B
3.A
4.A

Answer 45

Keep politics off this site. We're literally all cheating, politics have nothing to do with this. And for the record I'm cheating on school too so don't think I'm going after anyone.

Answer 46

Kool kid is wrong

Answer 47

thx kool

Answer 48

lexi is right i got 100%

Answer 49

All connexus students listen it’s
1. D
2. C
3. B
4. D

Answer 50

thanks kool kid i missed one but bc i read it wrong

Answer 51

@koolkid tysm! I got a 100

Answer 52

The nucleus of the helium-4 atom is identical to an alpha particle.

Answer 53

You can just log onto your parent's side to obtain answers from science and ela.