The substance which is a combination of different atoms is
compound
compound is substance formed when two ore more different atoms are chemically bonded together. example of compound H20 which is made up of which is made of two atoms of hydrogen and one atom of oxygen joined by a covalent bond to form water(H20)
The result is quikline or calcium oxide I think I'm not sure tho so I'd still double check
Answer:
Explanation:
18.01528 g/mol. I googled this, but it would be 16 for O plus 2 for the 2 H's. 18 g/mol divided by 12.5g=1.44 mol of H20.
1.44mol* molecules/mol= 8.6688*10^23.
You might want to elaborate on this
0 Kelvin is the temperature where the is no kinetic energy, so the answer is 0.