What charge does an atom have when it GAINS electrons?
ATOMS, IONS, AND ISOTOPES

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Chemistry
•
7th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Negative
2.
FLASHCARD QUESTION
Front
How many neutrons does a bromine atom have if its atomic mass is 80 and its atomic number is 35?
Back
45
3.
FLASHCARD QUESTION
Front
What type of atom is formed when an atom has a different number of neutrons than protons?
Back
Isotope
4.
FLASHCARD QUESTION
Front
What happens to an atom when it LOSES electrons?
Back
It becomes a positively charged ion (cation).
5.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The number of protons in the nucleus of an atom.
6.
FLASHCARD QUESTION
Front
What is an ion?
Back
An atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.
7.
FLASHCARD QUESTION
Front
What is a cation?
Back
A positively charged ion that is formed when an atom loses one or more electrons.
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