Periodic Trends

Which element is most electronegative?

• Oxygen

• Hydrogen

• Nitrogen

• Carbon

As we go up a group on the periodic table, there are fewer shells so the atomic radius...

• Increases

• Decreases

• Stays the same

As we go across a period from left to right, the atomic radii...

• Increases

• Decreases

• Stays the same

The most reactive nonmetal is named ________

• fluorine

• flourine

• F

The most reactive metal is _____

• F

• Cs

• Li

• K

The number of valence electrons cannot exceed

• 2

• 4

• 8

• 16

Ionization Energy is the energy required to _______ an electron with regard to a gaseous atom.

• Add

• Remove

• Excite

Which has the greatest atomic radius?

• Mg

• Ca

Which has the greatest atomic radius?

• Mg

• Al