Review for Unit 3A

What tells us the number of valence electrons for an element?

• the period on the periodic table

• the group # on the periodic table

• the atomic number of the element

• the atomic mass of the element

Tags

NGSS.HS-PS1-1

What tells us the number of valence electrons for an element?

• the period on the periodic table

• the group # on the periodic table

• the atomic number of the element

• the atomic mass of the element

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What tells us the number of energy levels for an element?

• the period on the periodic table

• the group # on the periodic table

• the atomic number of the element

• the atomic mass of the element

Tags

NGSS.HS-PS1-1

How many energy levels would Rubidium have?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

What is the maximum number of electrons that a p subshell can hold?

• 2

• 6

• 10

• 14

What is the maximum number of electrons that a f subshell can hold?

• 2

• 6

• 10

• 14

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Tags

NGSS.HS-PS1-1

What is the maximum number of electrons that any type of orbital can hold?

• 1

• 2

• 6

• 10

Which energy level shown has the lowest energy and must be filled before the others?

• 3p

• 4s

• 3d

• 4p

Tags

NGSS.HS-PS1-1

Which element has this electron configuration: [Ar] 4s2 3d5

• Iron (Fe)

• Manganese (Mn)

• Nickel (Ni)

• Cobalt (Co)

Tags

NGSS.HS-PS1-1