Atom Structure Flashcards
1
Q
How many electrons in the first and second shell?
A
2 in first and 8 in other
2
Q
What are the electrons called on the outer shell?
A
vacelectrons
3
Q
What 2 things are in the nucleus?
A
protons and neutrons
4
Q
What are the 5 main bits of an electronic structure?
A
- vacelectrons
- electrons
- neutrons
- protons
- shells
5
Q
What are substances made up of?
A
atoms
6
Q
what is the relative charge for an electron, proton and neutron?
A
electron: -1
proton: +1
neutron: 0
7
Q
what does atomic number mean?
A
the number of protons
8
Q
What does relative mass mean?
A
protons+neutrons
9
Q
What is the link between the Group number and the electronic structure?
A
The group number tells you how many vac electrons there are
