2.1 Study Guide Flashcards
1
Q
What is the mass of a proton?
A
1 amu
2
Q
What is the charge of a proton?
A
+1
3
Q
What is the mass of a neutron?
A
1 amu
3
Q
Where are protons located?
A
nucleus
4
Q
Where are the electrons located?
A
The electron cloud
5
Q
How many neutrons are in Nitrogen?
A
14-7= 7
6
Q
What is an isotope?
A
A version of an element with a different number of nuetrons.
7
Q
How many valence electrons do elements in group 13 have?
A
3
8
Q
How many valence electrons do elements in group 1 have?
A
1
9
Q
Why are valence electrons important?
A
They allow for molecules to bond.