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WorksheetsValence Electrons Quiz
Total questions: 13
Worksheet time: 19mins
Which group would have 3 valence electrons on their outmost shell?
The valence electrons are determined by the (a) which are (b) on the periodic table.
Where on a Bohr model are valence electrons found?
In the nucleus
In the innermost orbit
In the outermost orbit
Outside the atom
What is the octet rule?
Atoms lose electrons to fill their valence shells
Atoms gain or share electrons to have eight electrons in their valence shell
Atoms always have eight protons
Atoms split to form eight new atoms
What is a valence electron?
An electron involved in the formation of a chemical bond
An electron in the nucleus
An electron that does not participate in bonding
A positively charged electron
All elements in a group/column on the periodic table have the same number of what?
Protons
Neutrons
Valence electrons
Atomic mass
How many valence electrons does Sodium (Na) have, and how many more does it need to reach a full octet?
1 valence electron, needs 7 more
2 valence electrons, needs 6 more
3 valence electrons, needs 5 more
8 valence electrons, needs 0 more
What is the total number of valence electrons needed by Chlorine (Cl) to reach a full octet?
Needs 1 more
Needs 2 more
Needs 3 more
Needs 7 more
Which group should an unknown element with 1 valence electron belong to?
Alkali metals
Alkaline earth metals
Halogens
Noble gases
If an unknown element has 7 valence electrons, it most likely belongs to which group?
Alkali metals
Alkaline earth metals
Halogens
Noble gases
Select where the halogens are
How many valence electrons does carbon have?
4
5
6
7
Is this the correct Lewis Dot Structure for Boron?
Yes
No, missing electrons
No, too many electrons
No, dots are in wrong place.
The outer most electrons are called...
valence electrons
heavy electrons
emission electrons
Excited electrons
Reorder the following according to lowest to highest amount of valence electrons.
Sodium (2,8,1)
Magnesium (2,8,2)
Boron (2,3)
Silicon (2,8,4)
Argon (2,8,8)
Match the following
1 valence electrons
Hydrogen
2 valence electrons
Calcium
3 valence electrons
Boron
4 valence electrons
Carbon
5 valence electrons
Phosphorus
