WorksheetsPeriodic Table
Total questions: 23
Worksheet time: 20mins
For the highlighted group, there are _ valence electrons
(a)
For the highlighted group, there are _ valence electrons
(a)
What are valence electrons?
Any of an atom's electrons
Electrons located on the first energy level
Electrons not attached to any atom
electrons located on the outer energy level
Which of the following would be elements that are found in the same period?
Sn and Rb
F and Cl
K and Ba
Se and Te
Which element is in Group 18 and period 4?
Krypton
Argon
Xenon
Bromine
How many valence electrons does Notrogen (N) have?
1
2
3
5
How many valence electrons does Silicon (Si) have?
1
2
3
4
USE THE PERIODIC TABLE
How many valence electrons does Phosphorus have?
31
5
15
4
Which element is this an atom of?
Magnesium
Carbon
Copper
Protonium
How many valence electrons?
2
3
4
5
What group does this element belong to?
1
2
17
18
What is this element?
Beryllium (atomic #4)
Boron (atomic #5)
Carbon (atomic #6)
Nitrogen (atomic #7)
Name this element.
Neon
Magnesium
Sodium
Manganese
Which element is this?
Nickel
Neon
Sodium
Nitrogen
How many valence (outer) electrons does an Oxygen atom have?
2
6
8
16
