Atomic Structure and Periodic Table Flashcards
1
Q
What is the radius of an atom?
A
0.1nm
2
Q
What’s the charge of the nucleus?
A
positive
3
Q
Whats the charge of an atom?
A
None because the protons and electrons cancel each other out
4
Q
What is the atomic number?
A
The proton number
5
Q
What is the mass number?
A
Proton and neutron number
6
Q
What determines what type of element something is?
A
The proton number
7
Q
What is the definition of element?
A
A substance that contains one type of atom with the same number of protons
8
Q
What makes isotopes different?
A
They have a different number of neutrons, they have the same atomic number but different mass number
9
Q
how to calculate RAN
A
