Families
What is the most reactive family of NON-METAL
Halogen Family
Rows
What are groups
Columns
How many protons does Hydrogen have
1
What period and group is sulfur in?
Period 3, Group 6A
What is the most reactive family of METALS
Alkali Metals
Which direction do periods go
Left to Right
What direction do groups go
Top to Bottom
How many neutrons would radon have if it has an atomic mass of 222, and has 86 protons
136
Just to make Mrs. Stewart happy,
If it takes a chemical reaction to ____ __, it takes a chemical reaction to _____ __.
make it, break it
What family is not reactive at all
Noble Gasses
What period is Boron in
2
What group is Radium in
2
If gold has an atomic mass of 197, and has 118 neutrons, what would the atomic number be?
79
Who created the periodic table?
(Only need last name)
Dmitri Mendeleev
How many periods are in the periodic table
7
What do periods define?
The number of shells
What letter represents Transition Metals?
B
What atom has an atomic number of 92?
Uranium
Who discovered polonium and radium?
Marie Curie
8
Name the most reactive METAL from period 4
Potassium
Name one element from the Halogen Family
Fluorine, Chlorine, Bromine, Iodine, Astatine, Tennessine
If Lithium had an atomic mass of 7, and has 4 neutrons, what would the atomic mass be?
7
Who discovered radioactivity?
Henri Becquerel