Geochemistry and Minerals Pre-Assessment

The element symbol for Oxygen is:

• O

• Ox

• On

• Xy

The element symbol for Silicon is:

• S

• Si

• Sn

• Cn

The element symbol for Aluminum is:

• A

• Al

• Alu

• Am

The element symbol for Iron is:

• I

• Ir

• Fe

• Na

The element symbol for Calcium is:

• C

• Ca

• Na

• K

The element Symbol for Sodium is:

• S

• So

• Na

• K

The element symbol for Potassium is:

• Po

• K

• Pm

• Fe

The element symbol for Magnesium is:

• M

• Mn

• Mg

• Gn

Which element is the most abundant in Earth's crust?

• Oxygen

• Iron

• Silicon

• Mineral

A proton is:

• a positively charged subatomic particle

• a negatively charged subatomic particle

• responsible for chemical bonding

• an atom with no net charge