In a hexagonal close-packed crystal, every atom (except those on the surface) has
neighbors.
a.10
b.12
c.8
d.6

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.