Asked by Barry Vacker
18. True of False? Silver is made of only one kind of atom.
19. True of False? The number of protons in tin can change from atom to atom.
20. True of False? Radon is made of three different kinds of atoms.
19. True of False? The number of protons in tin can change from atom to atom.
20. True of False? Radon is made of three different kinds of atoms.
Answers
Answered by
Barry Vacker
18. False???
19. True???
20. True???
I feel like I got 19 wrong.
19. True???
20. True???
I feel like I got 19 wrong.
Answered by
oobleck
Silver is an element, not a compound. 18 is True
19 is True. The number of protons determines the element. Electrons can come and go, and changing the number of neutrons just makes a different isotope of the same element. Change the protons, though, and it's a different element altogether.
Radon is also an element. One kind of atom.
Though, like all elements, it may have various isotopes. That is not usually counted as different atoms, however.
19 is True. The number of protons determines the element. Electrons can come and go, and changing the number of neutrons just makes a different isotope of the same element. Change the protons, though, and it's a different element altogether.
Radon is also an element. One kind of atom.
Though, like all elements, it may have various isotopes. That is not usually counted as different atoms, however.
Answered by
Barry Vacker
Thank you oobleck :)
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