Unit 5 Weekly Quiz 1-20/23-23

What atom matches this electron configuration? 1s²2s²2p⁶3s²3p⁶4s¹

• Potassium

• Sodium

• Calcium

• Rubidium

• Scandium

What atom matches this electron configuration? 1s²2s²2p⁴

What is the max number of electrons the d sublevel hold?

• 8

• 10

• 2

• 4

• 6

What is the shorthand electron configuration for Sulfur atom?

• [Ar] 3p⁴
• [He] 3s²3p⁴
• [Ne] 3s²3p⁴
• [Na] 3s²3p³
  

Tags

NGSS.HS-PS1-1

Which of the following elements is located in the p block of the periodic table. Choose all that apply.

• Ca

• Ar

• Np

• Au

• Cu

Maximum number of electrons that can be placed in an s orbital.  

• 2
• 6
• 10
• 14

What is this element?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶

Match each element with the correct number of valence electrons.

• Argon

• 1

• Calcium

• 8

• Aluminum

• 3

• Antimony

• 2

• Potassium

• 5

What is the charge of an atom that has lost one electron?

• -1
• -2
• +1
• +2

How many valence electrons does an Oxygen atom have?