science test unit 2 Flashcards
1
Q
what is the group on the periodic table
A
the verticle columns
2
Q
what is the period on the periodic table
A
the horizontal rows
3
Q
chemical change
A
a change in which one or more new substances is formed
4
Q
physical properties
A
odour colour texture
5
Q
proton
A
positively charged particle in an atom
6
Q
chemical properties
A
Chemical stability.
Flammability.
7
Q
A
8
Q
A
