Select the group that is the most reactive metals

• Transition Metals

• Alkaline Earth Metals

• Alkali Metals

• Halogens

Select the element Alkaline Earth Metal found in Period 4

• Calcium

• Potassium

• Titantium

• Krypton

Select the element that is a metalloid

• Gallium

• Boron

• Oxygen

• Magnesium

Select the element below that is least reactive

• Hydrogen

• Chlorine

• Lithium

• Neon

Select the element with the largest atomic radius

• Cesium

• Lithium

• Hydrogen

• Potassium

Select the element that has 3 valence electrons

• Calcium

• Sodium

• Aluminum

• Sulfur

Select the element that is a nonmetal

• Copper

• Lead

• Hydrogen

• Sodium

What element is found in Group 5 period 4?

• Zirconium

• Magnesium

• Strontium

• Vanadium

What group contains elements with 7 valence electrons

• Noble Gasses

• Alkali Earth Metals

• Halogens

• Transition Metals

As you move down a group, the atomic radius increases because -

• you add more and more neutrons

• you add more and more protons

• you add more and more shells (energy levels)

• you add more atomic mass