Show:
PHASE CHANGES
STRUCTURE OF THE ATOM
PERIODIC TABLE TRENDS
100
Solid to a liquid
Melting
100
The part of an atom that is involved in a chemical change
Electrons
100
The most reactive groups
Group 1 and 17
200
Two types of vaporation
evaporation and boiling
200
Neutrons give what type of charge?
No/Neutral charge
200
Two part question: 1.Vertical columns of the periodic table 2.Horizontal rows of the periodic table
1.Groups/Families 2.Rows/Periods
300
3 phases of matter
solid, liquid, and gas
300
Protons give what type of a charge?
Positive
300
The least reactive group; the noble elements
Group 18
400
What type of change is a phase change?
PHYSICAL!
400
The center of an atom is called
the nucleus
400
Atomic Mass-Atomic Number=
Number of neutrons in an atom
500
True or False: Evaporation happens throughout the liquid
FALSE Evaporation only happens at the surface
500
Electrons give what type of a charge?
Negative Charge
500
Elements are in order of their... Hint: You use this to find out how many protons and electrons there are
atomic number