10 Chemisty Diagnostic Quiz

Periodic tables are an ordered representation of known elements. What are the columns of the table called?

• Groups

• Periods

• Categories

• Shells

Periodic tables are an ordered representation of known elements. What are the rows of the table called?

• Groups

• Periods

• Shells

• Categories

Valence electrons are ...

• electrons that are transferred between atoms

• electrons in the outermost shell

• electrons in the innermost shell

Reactive non-metals are found in which groups?

• 1

• 17

• 15

• 2

• 18

Which is the only metal that is not a solid at room temperature?

• Ag

• Hg

• Fe

• Co

Metaloids have properties that sit in between metal and non-metals. Which of the following is true for this category?

• They can form semi-conductive materials

• Brittle with a metallic appearance

• Inert

• All of the above

Using proper notation, write the electron configuration of Phosphorus (³¹₁₅P). Please write only the numbers

Which two subatomic particles have similar mass?

• Proton

• Neutron

• Electron

Which two subatomic particles have opposing charges?

• Proton

• Neutron

• Electron

Fundamental forces govern how the universe functions but often are limited by scale. Which two fundamental forces govern the structure of the atom?

• Strong Nuclear

• Weak Nuclear

• Electromagnetic (Electrostatic attraction)

• Gravity