Chemistry

What is the electron configuration for the element Phosphorus (P) using noble gas shorthand notation.

• P:[Ne]3s2 3p4

• P:[Ne]2s2 3p3

• P:[He]3s2 3p3

• P:[Ne]3s2 3p3

What element has this electron configuration [Ar]3d7 4s2?

• Cobalt (Co)

• Silver (Ag)

• Nitrogen (N)

• Rubidium (Rb)

The valence electron for Actinium (Ac) is ____ electrone.

1. What noble gas would be part of the electron configuration notation for Mn?

• Ne

• Ar

• He

• Cl

The outermost shell of tungsten is ............

• 6

• 5

• 4

• 3

Across the period, what is decreases?

When going down the group, what is increases?

Which element is the easiest to remove an electron?

• I

• Ag

• Sr

• Cd

The IE generally ______ across a period due to the ______ in Zeff

The IE generally decreases down a group as electrons are removed from shells with ____ n (principal quantum number)