Across
- 1. These are the substances that are formed in a chemical reaction and are shown after the reaction arrow in an equation.
- 3. Formula: This shows the elements present in a compound and their relative proportions.
- 5. These are the fundamental substances that make up all other substances and contain only one type of atom.
- 6. A compound is a pure substance made of two or more elements that are strongly joined together.
- 9. Change: This is a change to the physical properties of a substance, but no new substance is formed.
- 11. Table: This table organizes all the known elements in rows and columns.
- 12. These are made of two to thousands of atoms joined together. Most non-metals exist as either small or giant molecules.
- 13. Reaction: This is a change that results in a new substance being formed.
- 14. The atom is the smallest particle of an element that can exist.
Down
- 2. This means the quantity of something does not change after a process occurs.
- 4. These are the rows of the Periodic Table
- 7. These are the substances that react together and are shown before the arrow in a chemical equation.
- 8. These are the columns of the Periodic Table.
- 9. Properties These are features of a substance that can be observed without changing the substance itself.
- 10. Properties These are features of how a substance reacts with other substances