Elements
What period is "He" in?
Period 1
What group number is "Ne" in?
Group 18 /8 /0
Name the element with the symbol, K
Potassium
The mass number of carbon is 12, what is it's number of neutrons?
6 neutrons
What does the period on the periodic table means?
It tells the number of shells in the atom.
How many Groups are there in total?
8
What is the element symbol for "Sodium"?
Na
Why are noble gases non reactive?
Because their valence shell is full
What period does "Beryllium" belong to?
Two (2)
What is group 2 called?
Alkaline Earth metals
What is the element symbol for "Beryllium"
Be
Magnesium is the 12th element in the periodic table, how many electrons are on valence shell?
two electrons
What are the rows in the Periodic table called?
Period
How many groups have special names?
four (4)
What is the element symbol for "Calcium"
Ca
How many protons are in the element that can be used in toothpaste?
Nine (9) protons
Fluorine
Transition metals
What is group 1 known as?
Name the element with the symbol, N
Nitrogen
Name an element which has a valence electron of three (3).
Boron, Aluminum