Locate element Na on the periodic table. Fill in the following: Element Name | Number of protons | Number...
Element Name | Number of protons | Number of valence electrons | Cation or anion
10. Fill in the following about families:
Family Name | Column Number | Charge it makes | Number of Valence Electrons | Solids, liquids, or gases
1
2
17
18 | 0 (won't react) | All 3!
11. Fill in the blank using the word bank.
ionization energy | electronegativity | atomic radius
Moseley | Mendeleev
• ________ arranged the periodic table by atomic mass and chemical properties.
• ________ arranged the periodic table by atomic number and chemical properties.
• ________ refers to the size of the atom.
• ________ refers to the energy it takes to remove a valence electron from an atom.
• ________ refers to the power of an atom to attract an electron towards itself.
12. A block of Gallium occupies a volume of 19.7 mL and weighs 50.4 grams. What is its density?
13. What is the mass of a block with a density of 3.67g/mL and a volume of 225mL?

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