Chemistry Quiz #2

When atoms are attracted to each other they can form a ________ _______.

• chemical bond

• catalytic bond

• simple bond

• James Bond

A _______ ______ is formed when two atoms share electrons in a molecule.

• covalent bond

• ionic bond

• chemical bond

• rizzler bond

A(n) _______ _____ is formed when an atom gains an electron from another atom creating an attraction between two atoms with opposite charges.

• covalent bond

• ionic bond

• sticky bond

• metal bond

A chemical reaction is...

• when one or more substances are converted into a new substance.

• when a substance changes shape.

• when a substance changes its state.

• when a substance melts.

Chemical reaction equations have ________ (left side) and ________ (right side) in them.

• reactants and products

• chemicals and proto-chemicals

• isotopes and covalents

• skibidis and sigmas

Coefficients show us how many of a(n) certain _________ are in a chemical reaction equation.

• molecule

• atom

• reactant

• product

The small number below an element is the ________, which tells us how many atoms of that element there are.

• coefficient

• subscript

• multiple

• exponent

Indicate the correct type of change by matching the items below...

• burning wood

• Chemical change

• baking a cake

• Chemical change

• chopping wood

• Chemical change

• roasting a marshmallow

• Physical change

• slicing a cake

• Physical change

This "Law" states that matter can neither be created nor destroyed.

• The Law of Conservation of Mass

• The Law of Conservation of Light

• The Law of Conservation of Balance

• The Law of Conservation of Sigma

Both sides of a chemical equation must be _________ according to the Law of Conservation of Mass.

• balanced

• unbalanced

• new substances

• energy