Unit 1 Test

Where are the Protons found in an atom?

• on the energy levels

• in the nucleus

• in space

• on the outside of the nucleus

What are the rows of the Periodic Table called?

• Groups

• Electrons

• Periods

• Neutrons

Which of the following is a pure substance?

• Homogeneous Mixture

• Element

• Matter

• None of the above

When adding the protons and neutrons together in an atom it will result in

• Atomic Mass

• Atomic Number

• Element

• Compound

The columns on the Periodic Table represent

• The total number of electrons

• Protons

• The Valence Shell

• The Valence Electrons

Group 8 elements are know as the

• Noble Gases

• alkaline earth metals

• alkali metals

• Rich Gases

_______Are good conductors of heat and are shiny solids at room temperature

• Powders

• Non Metals

• Metals

• Solids

The numbered rows of the periodic table tells you how many ____ an electron has.

• Valence Electrons

• Energy Levels

• Electrons

• Group

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Platinum

How many Valence Electrons does Sodium have?

• Eight

• Six

• Seven

• One