Valence Electrons Quiz

How can you find the number of valence electrons in an atom of an element using the periodic table?

• By looking at the atomic mass of the element
• By counting the number of neutrons in the nucleus

• By looking at the group number of the element

How do you determine the number of valence electrons in atoms of elements in the p block (right of transition metals) of the periodic table?

• By subtracting 10 from the group number of the element

• By examining the number of neutrons in the atom

• By looking at the atomic mass of the element

Valence electrons are electrons in the atom's ________ shell?

• outermost

• top

• inner

• middle

Which rule states that atoms want 8 valence electrons?

• Quartet rule

• Hexadecet rule

• Octet rule

• Dodecet rule

How many valence electrons does a carbon (C) atom have?

• 4

• 2

• 6

• 8

What is the number of valence electrons in an oxygen (O) atom?

• 2

• 8

• 4

• 6

How many valence electrons are found in a phosphorus (P) atom?

• 5

• 2

• 8

• 6

How many valence electrons does a nitrogen (N) atom have?

• 2

• 5

• 6

• 8

What is the number of valence electrons in a helium (He) atom?

• 2

• 8

• 4

• 6

How many valence electrons does a sulfur (S) atom have?

• 4

• 2

• 6

• 8