WorksheetsPeriodic Table Review
Total questions: 14
Worksheet time: 20mins
What does He represent in the box?
Atomic number
Atomic mass
Element Symbol
What does the #2 represent in the box?
Atomic Number
Atomic Mass
What does the bottom number, 4.003, in the element box represents?
Atomic Number
Atomic Mass
Which number tells you how many protons an element has?
Atomic Number
Atomic Mass
Isotope Number
What do we call the vertical columns on the periodic table?
Periods
Groups
Elements
True or False: The nonmetals are in the dark blue section
true
false
How can you figure out the number of neutrons an element has?
It's the same as the atomic number
Look at the group number
Sodium has an atomic mass of about 23. How many neutrons does sodium have?
11
12
23
What is the atomic number of Carbon (C)?
6
12.011
14
20
How many valence electrons does carbon (C) have?
6
12.011
14
4
Which element is not a metal?
H
Li
Ca
Fe
How many valence electrons does lithium (Li) have?
1
3
6.941
7
Which element is a metal?
H
Mg
C
F
How many valence electrons does boron (B) have?
1
3
13
5
