Chemistry

3. Mass cant be created or destroyed
7. In the orbital, -1 charge, about 1amu
9. the amount of energy needed to remove an electron from an isolated
11. vapor(gas) to liquid
15. a bonded atom with 8 outer electrons
16. the digits of value which carry meaning towards the resolution of the measurements
17. method of writing large or very small numbers that removes the 0's
19. 2+ reactants combine to form 1 product
21. mixture with uniform components throughout
22. the measurement of how tightly a material is packed together

1. 2 atoms of the same element exist bonded, too reactive on their own
2. capacity to be shaped
4. chemical property that describes the power of an atom in a molecule to attract shared pair electrons towards itself
5. atom loses an electron with more protons than electrons
6. a unit representing 6.02x10^23
8. substance with no fixed size or shape
10. in the 18th group of the periodic table and have a very low chemical reactivity
12. when 2 elements with the same electronegativity share electron equally
13. Substance the cannot be decomposed into simpler substance by chemical
14. weighted average of the mass numbers of all naturally occurring isotopes
18. phase change of matter that results in a solid
20. positively charged center of the atom consisting of protons and neutrons