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kweenlexis

  • one year ago

i need help in science can someone help me?

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  1. anonymous
    • one year ago
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    Post the question.

  2. kweenlexis
    • one year ago
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    The sum of the protons and neutrons in an atom is its A. atomic number. B. atomic energy. C. atomic mass. D. charge.

  3. kweenlexis
    • one year ago
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    i think its A but i am not 100% sure im like %% sure lol

  4. anonymous
    • one year ago
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    atomic number

  5. kweenlexis
    • one year ago
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    5%*

  6. anonymous
    • one year ago
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    A.. You can alway google these

  7. kweenlexis
    • one year ago
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    What is the smallest particle of an element that still has the same chemical properties? A. mixture B. compound C. molecule D. atom

  8. kweenlexis
    • one year ago
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    C???

  9. anonymous
    • one year ago
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    atom

  10. anonymous
    • one year ago
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    I thought it was D

  11. anonymous
    • one year ago
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    you need atoms to make a molecule

  12. kweenlexis
    • one year ago
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    good point @suppa_lova and thx to u both have more questions :)

  13. kweenlexis
    • one year ago
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    The periodic table below shows which elements are metals, nonmetals, and metalloids. The element with the chemical symbol _______ is a metal. A. Xe B. Cs C. Rn D. Si

  14. kweenlexis
    • one year ago
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    i can copy the perodic table :(

  15. kweenlexis
    • one year ago
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    let me see something real quick though

  16. anonymous
    • one year ago
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    B is the answer

  17. kweenlexis
    • one year ago
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    https://app130.studyisland.com/pics/107656periodicmetals.png

  18. kweenlexis
    • one year ago
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    there it go

  19. anonymous
    • one year ago
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    the answer is B

  20. kweenlexis
    • one year ago
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    ook

  21. kweenlexis
    • one year ago
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    Carbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide? A. mixture B. compound C. element D. atom

  22. anonymous
    • one year ago
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    again B

  23. kweenlexis
    • one year ago
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    ok

  24. kweenlexis
    • one year ago
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    https://app130.studyisland.com/pics/209201periodicnitrogen.PNG

  25. kweenlexis
    • one year ago
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    What is nitrogen's atomic number? A. 14.0067 B. 5A C. N D. 7

  26. kweenlexis
    • one year ago
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    thats the picture that was the question ^_^

  27. kweenlexis
    • one year ago
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    never mind thats tooo easy ;)

  28. kweenlexis
    • one year ago
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    What is nitrogen's atomic number? A. 14.0067 B. 5A C. N D. 7

  29. kweenlexis
    • one year ago
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    oops i meant

  30. kweenlexis
    • one year ago
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    .Dany has a snowball. Which of the following situations describes Dany observing the object undergoing a physical change. A. She slides it along a pond covered in smooth ice. B. She throws it high into the air. C. She takes it indoors and watches it melt. D. She gently sets it on the ground.

  31. kweenlexis
    • one year ago
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    https://app130.studyisland.com/pics/209687snow.PNG

  32. kweenlexis
    • one year ago
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    there is the picture of dany.

  33. anonymous
    • one year ago
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    C

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