Atoms,ions Cations And Anions Flashcards
0
Q
Why doesn’t an atom have an overall charge?
A
Because the positive charge of the protons cancel out the negative charge of the electrons
1
Q
What does an atom have the same number of?
A
Protons and electrons
2
Q
How does an ion have a charge?
A
Because it no longer has the same number of protons and electrons
3
Q
How can you tell that an atom has become an ion?
A
By the + or - sign
4
Q
How are cations formed?
A
When metal atoms loose electrons to form positively charged cations
5
Q
How are anions formed?
A
When non metal atoms gain electrons to form negatively charged anions
