C. Groups 13-16 contain metalloids.
If you look on a periodic table, these usually have a different color.
The density in lbs/in³ units : 0.697
<h3>Further explanation</h3>
Given
Density of gold is 19.3 g/cm³
Required
Conversion to lbs/in³
Solution
Density is a quantity derived from the mass and volume
Density is the ratio of mass per unit volume
Density formula:
Conversion factor
1 g = 0,00220462 lbs
1 cm³ = 0,0610237 in³
So the density :
Grains contain gold in forms that seem tailor-made for industrial use. Rumpelstiltskin, the fairy-tale rogue who spun straw into gold, has nothing on Miguel Yacaman and Jorge Gardea-Torresdey. The gold appears as particles mere billionths of a meter wide. ...
Answer:
Water is much smaller than either of the previous substances and exhibits weaker dispersion forces, but its extensive hydrogen bonding provides stronger intermolecular attractions, fewer molecules escaping the liquid, and lower vapor pressure than for either diethyl ether or ethanol.
Explanation:
Brain-List