Science

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

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  1. did u take the test

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  2. if u did write the answers

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  3. Yes I took it and got 100% on it

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

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

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

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

    Also suscribe to my channel!!

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  8. @koolkid is right got me a 100

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  9. @koolkid is right

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  10. uhh i got 2 out of 4 for some reason lol

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  11. koolkid is right

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

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  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?!

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

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

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  16. you're weird bro.

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

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  18. Cool kid is write

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  19. Randmmmmmmmmm is right just red that's it

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  20. koolkid is right!! thank you <33

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  21. Koolkid is right made 100%

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  22. What the answers??

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

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  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!

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  25. @gabriellejm8658

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  26. Ur the one that said ur Lexi

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  27. Thx coolkid !!

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

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  29. yaya

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  30. ty koolkid just got a 4/4:)

    and i didnt read any of the lesson😭

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  31. KoolKid is not right. He got me a 50%

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

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  33. Lexi is correct 100%

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

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  35. thank you @koolkid 100 on my test

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  36. remember @koolkid said that * means its correct

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  37. this website is a life change i tell ya

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  38. changer*

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  39. ty kool kid

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  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

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

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

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

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

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  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.

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  46. Kool kid is wrong

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  47. thx kool

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  48. lexi is right i got 100%

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

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

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  53. @koolkid tysm! I got a 100

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

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

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