Trial 1 Trial 2 Trial 3 Mass (g) of Al rod
12.0284
11.8740 12.4183
Initial Volume (mL)
78.2
73.9 83.1
Final Volume (mL)
83.5
78.1 87.1
Volume Displaced (mL)
5.3
4.2
4
Density (g/mL)
2.27
2.83
3.10
No. of Atoms in rod
2.7E23
2.7E23
2.7E23
Volume of each atom (cm3)
2.0 e-23
Radius of Al atom (cm)
1.67e-8

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

What metric units would you use to measure the thickness of a key