W14 Counting Atoms-Chem Reactions

Match it! Select the correct answer from the pull down...Good luck!

A subscript ___ affects the the element just before it.

What is a number placed after an element and below the line that tells us how many atoms of that element are in the molecule?

Identify this reaction: When 2 or more elements or compounds combine to form a single product.

Identify this reaction: One reactant breaks down into 2 or more products.

In a molecule, we know we have a new element each time we have a new _____ letter.

Identify this reaction: one FREE element replaces another that was in a compound. This is also known as a Substitution reaction.

Identify this reaction: A reaction where the cations of two ionic compounds exchange places to form two new compounds.

What is a number placed before a molecule that tells us how many of those molecules we have in the formula. This large number is placed in front or to the left of the element or molecule?