Science BM 2 Review

Which variable goes on the y-axis?

• Independent Variable (IV)
• Dependent Variable (DV) 
• Control Variable
• Constants

Which variable goes on the x-axis?

• Independent Variable (IV)
• Dependent Variable (DV)
• Control Variable
• Constants

Two or more chemically combined substances form

• a mixture
• a compound
• an element
• an acid

Two or more physically combined substances form

• a mixture
• a compound
• an element
• an acid

MgCl₂ is an example of

• an element
• a mixture
• a compound
• an abbreviation

The type of bond that forms when electrons are transferred from a metal to a nonmetal element is 

• a covalent bond
• an ionic bond
• a valence bond
• a chemical bond

Electrons that are on the outer shell and participate in bonding are called...

• outer electrons
• inner electrons
• valence electrons
• ionic electrons

What is an example of a chemical property? 

• Oxygen is a gas
• Sulfur is a yellow solid
• Vinegar will react with baking soda
• The glass vase shattered

How is the modern atomic model different from all the other atomic models?

• it has no protons
• it has a nucleus
• it has energy levels (shells)
• it has an electron cloud

How is the Bohr model of the atom different from all the other atomic models?

• it has no nucleus
• it has energy levels (shells)
• it has an electron cloud
• it is very large