Introduction to chemistry Flashcards
2nd quarter
1
Q
Study/science of matter
A
Chemistry
2
Q
Arranged according to atomic number and by groups and periods
A
Periodic
3
Q
Vertical - ▥
group or period
A
Group
4
Q
Horizontal - ▤
group or period
A
Period
5
Q
Negative electric charge -outer layer of atomic structure
A
Electron (-)
6
Q
Positive electric charge -center of atomic structure
A
Proton (+)
7
Q
No electric charge -center of atomic structure
A
Neutron ( )
8
Q
A
