Physical Science - Grade 10 – Lesson 18 – Quiz

How many valence electrons are found in atoms of group 14?

• 4

• 3

• 14

• 16

Which group has the greatest number of valence electrons?

• 1
• 14
• 18
• 16

How many valence electrons are found in atoms of group 15?

• 4
• 5
• 2
• 3

How many valence electrons are found in atoms of group 1?

• 7
• 6
• 4
• 1

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

All atoms are most stable with (or would "prefer") how many electrons in their valence shell?

• 1

• 2

• 8

• 18

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom
• Electrons in the second shell

The _____ the element is in determines the number of valence electrons it has.

• period/row

• group/column

Which of the following characteristics is similar for fluorine and iodine?

• Number of protons

• Number of neutrons

• Number of orbitals

• Number of valence electrons

What element contains 7 protons and 5 valence electrons?

• Boron

• Vanadium

• Nitrogen

• Lithium