Nayely

2. A way to write large or small number between 1 and 10 and is multiplied by the power of 10
5. Solid material that is hard and shiny
6. Any atom or group that bears one or more positive negative electrical charges
8. Electrons on the outermost shells or energy level of an atom
10. ndicates the position of the metalloids
11. A set of elements in a column in the periodic table having similar properties from their similar electronic structure
12. Has more electrons than protons giving it a net negative charge
14. Average mass of the atoms of an element measured in the atomic mass unit
15. Base unit for the amount of a substance
16. A set of elements using an entire horizontal row on the periodic table
17. Has more protons than electrons giving it a net positive charge

1. the elements are arranged in order of increasing number of protons in the nucleus
3. A substance that isn't hard or shiny
4. chemical elements in group 8A on the periodic table
5. Mass in grams of 1 mole of the substance
7. An element whose properties are intermediate between those of metals and solid nonmetals and semiconductors
9. Chemical element that forms a salt when it reacts with a metal
13. The eight electron arrangement in the outer electron shell of the noble gas atoms