mod chem test

What does "rearrange" mean?

• to add all the atoms up.

• To not add or take away but to move things around. To remix

What is a reactant?

• The ending substance of a chemical reaction.

• A starting substance before a chemical reaction

What is a product (in chemical reactions)?

• The substance(s) that are created after a chemical reaction

• The substances at the beginning of a chemical reaction.

Which of the following is defined as, " to change the order or position of something"?

• rearrange

• product

Which of the following is defined as, "a group of atoms joined together in a particular way"?

• molecule

• product

• reactant

Which of the following is defined as, "an object, diagram, or computer program that helps us understand something by making it simpler or easier to see"?

• model

• scale

Which term is defined as, "something that can be observed about a substance, such as color, smell, or boiling point"?

• property

• reactant

• chemical formula

Which of the following is defined as, "a starting substance that is part of a chemical reaction"?

• product

• reactant

Which of the following is defined as, "a process in which atoms rearrange to form new substances"?

• product

• chemical reaction

True or False: During a chemical reaction, atoms do change from one type to another.

• True

• False