Unit 2 Test Review

How many valence electrons does Ge have?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does an arrow represent in an orbital filling diagram?

• The direction of electron spin

• The energy level of the orbital

• The type of orbital

• The number of electrons in the orbital

How many electrons can fit in an orbital?

• 1

• 2

• 4

• 6

How many orbitals are within 'p' orbitals?

• 1

• 3

• 5

• 7

How many orbitals exist in a 'd' sublevel?

• 3

• 5

• 7

• 9

Which sublevel does NOT exist?

• 1p

• 2s

• 3d

• 4f

What sublevel does Zirconium (Zr 40) exist in?

• s sublevel

• p sublevel

• d sublevel

• f sublevel

Tags

NGSS.HS-PS1-1

What is the electron configuration of Iron (Fe)?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4d⁶

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d⁶

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶ is the electron configuration for iron, what is the noble gas configuration?

• [Ar] 4s² 3d⁶

• [Ne] 3s² 3p⁶ 3d⁶

• [Kr] 4d¹⁰ 5s²

• [Xe] 4f¹⁴ 5d¹⁰ 6s²

Tags

NGSS.HS-PS1-1

Identify the element with 7 valence electrons from the options below.

• Fluorine

• Oxygen

• Nitrogen

• Carbon

Tags

NGSS.HS-PS1-1