atom questions Flashcards
1
Q
why does a nuetral atom have no overall charge
A
When you have the same amount of protons and electrons, they cancel each other out. This is because protons have a charge of +1 and electrons have a charge of -1.
2
Q
how to write electronic configuration
A
how many electrons in each shell e.g. 2,8,4
3
Q
what does an atom become when it loses an electron
A
positive
4
Q
what does an atom become when it gains an electron
A
negative
