Chemistry

2. they interact
3. change that causes a change in appearance.
5. columns of the periodic table
7. Solid, metallic, and fair conductors
8. Center of the atom
10. the particles below or inside the atom.
15. change that causes a new substance to be formed
17. a substance that cannot be broken down
19. Group of 2 or more atoms
20. subatomic particle located in the nucleus and has a neutral charge
22. the smallest unit of matter that has all the chemical properties of an element.

1. the study of the properties of atoms and
4. A substance that forms from a chemical reaction.
6. A single kind of matter
9. anything that has volume and mass.
11. substance made of 2 or more atoms.
12. subatomic particle located in the electron cloud and has a negative charge
13. subatomic particle located in the nucleus and has a positive charge
14. has conductive, malleable, and lustrous properties
16. A substance that undergoes a change during a reaction
17. the area around the nucleus
18. colorless, brittle, poor conductors, and not malleable or ductile.
21. rows of the periodic table