Na, Ba, Cs and Ni are metals.
Answer:
moon's motion without gravity
Explanation:
The reason it's moon's motion without gravity is because if you take away earths gravitational pull it would simply go in the direction it last was, and the last direction it was, was where the dotted arrow is.
Carbon Dating would tell you the age of the charcoal
Avogadro's constant is the number of atoms of carbon-12 in 12g of
carbon-12.
atoms present equals avogadro's constant times number of moles for that substance. Type of substance does not change the number of atoms if you are given the quantity of moles, therefore the fact that it is sodium does not change the value.
<span>atoms present equals avogadro's constant times number of moles
</span>=6.023x10^23 x 4.0
=2.4x10^24