Periodic Table and Atoms

2. When alkali metals mix with water, they create a strong ___________.
4. Scientist who organized the periodic table
6. Smallest particle that makes up everything
7. Carbon can be found in these substances that create pollution when burned
8. A alkali metal used in our batteries
12. _____________ gasses do not want to combine or react because their outer electron shell is full.
14. These atoms have 7 outer shell electrons and do react strongly
17. This alkali earth metal is found in our bones, milk and teeth.
18. This contains both the protons and neutrons in the atom
20. This Theory says that matter cannot be created or destroyed
22. The __________ shell can fit 18 electrons
23. ___________ is the word used to describe how atoms are held together in a bond
24. _________ cycle is when this gas travels through the atmosphere, animals, waste and soil
26. This gas is required for respiration
27. this gas (non-metal) is used to harden tires
28. This type of metal has characteristics of metals and non-metals.
30. Alluminum fits in this category of the periodic table because it is not very strong.
31. Most gasses fit in this category of the periodic table

1. This is the most common element in the universe
3. This is where elecctrons live around the atoms.
5. When a atom contains the same number of protons and neutrons it has this charge
9. When two atoms combine to make a new substance it is called this
10. When a metal can transfer electricity or heat
11. These metals are strong, shiny, and have high melting points
13. These metals are extremely reactive because they have one outer electron
15. This gas is known as an inflammable gas
16. In order to find the number of these, you must take the atomic mass and subtract the atomic number.
19. When you mix _____________ with chlorine, you create table salt
21. When a element is able to bend or fold
25. Burning, Breathing and _________ all require oxygen.
29. There are 92 natural ____________ on the periodic table