Answer:
Explanation:
We know that in 1 mole of any substances there are atoms
This number () is a constant that is known as the avogadros number
if we know how many atoms are in a mole of chromium to calculate how many there are in 11.9 moles we apply a simple rule of three
In 11.9 moles of chrome there are atoms
B) unequal heating of different parts of earth
C) differences in elevation on different landmasses
D) greenhouse gases
(no guessing please )
Answer:
Theory
Explanation:
A group of atoms that are held together by covalent bonds so that they move as a group