What is an isotope? A. Atoms of the same element that differ in number of protons B. Atoms of the same element that differ in number of electrons C. Atoms of different elements that have the same number of neutrons D. Atoms of the same element that differ in number of neutrons
@dan815 @aaronq @ParthKohli
Pretty sure that would be D
thank you can u help with another one?
sure
What is an ion? A. An atom that differs in mass from another atom of the same element B. An atom that has lost or gained 1 or more neutrons C. An atom that has lost or gained 1 or more electrons D. An atom that has lost or gained 1 or more protons
C?
Yes
thank you <3
Potassium (K) has an atomic number of 19. It often forms an ion by losing 1 electron. What charge would the ion have? A. +1 B. -1 C. 18 D. 20
A because if it lost an electron it would become positive
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