Chemistry

2. Group of atoms bonded together composed of a single element or a single compound
5. The smallest particle of matter that has distinct properties because of its nucleus which contains protons and neutrons and an electron cloud
7. Describes a chemical reaction by showing how atoms in the reactants are rearranged to form new substances in the products
12. A letter abbreviation of an element name
14. Consists of multiple different substances that are evenly distributed so each sample of mixture may have different proportions of components
15. A set of chemical symbols and subscripts showing which elements are bonded together to form a molecule

1. Mass stays the same during a reaction the total mass of the reactants is equal to the total mass of the products
3. Substance formed as a result of a chemical reaction (right side)
4. During a reaction a new substance is made when atoms of the original substance are rearranged to make something new
6. The small number behind the element indicates the number of atoms for that element
8. The starting materials found in a chemical equation (left side) that will react together
9. Consists of multiple different substances that are evenly distributed so each sample will have the same proportion of components
10. A pure substance that is made up of only one type of atom
11. The big number in front of a formula that indicates how many molecule groups
13. is made up of 2 or more different elements bonded together