Elements
How many protons does Arsenic have?
33
Which family does Bromine belong to?
Halogens
How many VALENCE electrons does Sodium have?
1
The atomic number is the number of _____ that an atom has
protons
protons have a _____ charge
positive
What is the chemical symbol for Magnesium?
Mg
Lithium belongs to which family?
Alkali metals
How many VALENCE electrons does Boron have?
3
In a neutral atom, the number of _____ is the same as the number of protons
electrons
electrons have a ______ charge
negative
What is the atomic mass of Palladium?
106.4 amu
True or false: Helium is a metalloid.
False
How many VALENCE electrons does Iodine have?
7
Mass number = _____ + ______
protons + neutrons
neutrons have a _____ charge
neutral
How many electrons does Strontium have?
38
Noble gases are which Group # on the Periodic Table?
Group 8
How many VALENCE electrons does Antimony have?
5
# of neutrons = ______ - _______
mass number - protons
protons and neutrons each weigh ______ amu
1
What is the chemical symbol for Silver?
Ag
Phosphorous belongs to which family?
Nonmetals
How many VALENCE electrons does Krypton have?
8
Mass number is always (bigger than, smaller than, the same as) the atomic number
bigger than
electrons weigh ______ amu
0