Note that:
- Density =
![\frac{mass}{volume}](https://tex.z-dn.net/?f=%5Cfrac%7Bmass%7D%7Bvolume%7D)
- Specific gravity =
![\frac{Density_{object} }{Density_{water} }](https://tex.z-dn.net/?f=%5Cfrac%7BDensity_%7Bobject%7D%20%7D%7BDensity_%7Bwater%7D%20%7D)
<em>Givens</em>
Solving
To find density, you need volume.
<u>Volume</u>
Volume = length * width * height
Volume = 4.5 cm * 4.2 cm * 4.0 cm
Volume = 76 cm³
<u>Density</u>
Density = ![\frac{371 g}{76cm^{3} }](https://tex.z-dn.net/?f=%5Cfrac%7B371%20g%7D%7B76cm%5E%7B3%7D%20%7D)
Density = 4.9 g/cm³
<u>Specific gravity</u>
The density of water is approximately 1 g/cm³.
Specific gravity = ![\frac{4.9g/cm^{3} }{1g/cm^{3} }](https://tex.z-dn.net/?f=%5Cfrac%7B4.9g%2Fcm%5E%7B3%7D%20%7D%7B1g%2Fcm%5E%7B3%7D%20%7D)
Specific gravity = 4.9
<h3>
Answer:</h3>
Density: 4.9 g/cm³
Specific gravity: 4.9
Answer:
argon
For example, the K+ ion is isoelectronic with argon. Potassium has 19 electrons and 1 is in the outermost shell: a valence electron. If potassium is ionized and becomes a +1 cation, this is to say that it lost its single valence electron. This is favorable, because it gives potassium a noble gas configuration