All About Atoms Flashcards
1
Q
What does the atomic number of an element determine?
A
The number of protons + electrons
2
Q
Where is most of the mass in an atom located
A
The nucleus
3
Q
How many electrons can each ring hold (starting from the inner ring)
- 8 2 8
- 2 8 8
A
2 8 8
4
Q
How do you find the # of nucleus particles
A
Mass number-number of protons
5
Q
True or false
There is always the same amount of protons and neutrons
A
False
