Chemistry

2. A substance you can see when you are cooking
4. One or more atoms
7. An organization of chemical elements in the order of atomic numbers. (2 words)
9. When a liquid disappears and goes in the sky.
11. An invisible substance that you can sometimes smell.
12. A state of matter you can see that has no definite shape.
13. Same size as another particle and has no electrical charge.
14. The shell of the tiniest part of an atom (2 words)
15. It is located in the middle of the atom with another particle and has a positive charge.
16. Two elements that mix together.
18. Something that is hard like a rock and is the opposite of hollow
19. The atomic number is the number of how many _______.

1. Part of the water cycle when gas turns into a liquid.
3. This is when a solid turns straight into a gas.
5. The smallest part in an atom with a negative charge.
6. This happens when you put mentos in a soda or have pop rocks in your mouth. (2 words)
8. Everything is a solid, plasma, liquid and gas.
9. Some people call this word the weather.
10. It is in the middle of a atom and has protons and neutrons.
17. It is part of your blood and is the fourth state of matter