Valence Electrons, Lewis Dot, and Ions Quiz

What are electrons responsible for in an atom?

• The physical properties of an atom

• The chemical properties of an atom

• The atomic mass of an atom

• The nuclear properties of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons does a neutral nitrogen atom have?

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-1

What is the significance of valence electrons in an atom?

• They determine the atom's mass

• They determine the atom's reactivity

• They determine the atom's color

• They determine the atom's density

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons do elements in Group 15 have?

• 3

• 4

• 5

• 6

Tags

NGSS.HS-PS1-1

What is the symbol for the element with the atomic number 10?

• Ne

• Na

• Ni

• N

How many valence electrons does Sodium (Na) have?

• 8

• 3

• 1

• 11

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does the Lewis Dot structure for Aluminum look like?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

This is the Lewis Dot structure for Fluorine

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ions form ONLY when an atom loses an electron

• True

• False

Losing valence electrons means forming positive charges called

• Anions

• Cations

• Dogions

•