chemistry

2. tell us the number of atoms of each element in a compound.
5. goes across the periodic table
6. a table of the chemical elements
8. the first letter of an element
10. an element that readily forms positive ions and has metallic bonds
11. a particle made up of two or more atoms that are chemically bonded together

1. an element that doesn't have the characteristics of metal including
3. goes down the periodic table
4. the second letter of an element
7. a substance whose atoms all have the same number of protons
9. the smallest particle of a chemical element that can exist.
12. a substance formed when two or more chemical elements are chemically bonded together