Answer: 3 moles Na
Explanation: To find the number of moles of Na, divide the number of atoms of Na with the Avogadro's Number.
1.806x10²⁴ atoms Na x 1 mole Na / 6.022x10²³ atoms Na
= 2.99 or 3 moles Na
How many valence electrons are in an atom of phosphorus?
a. 2
c. 4
b. 3
d. 5 Please select the best answer from the choices provided A B C D
There are five valence
electrons are in an atom of phosphorus. The answer is letter D.
Answer: Most of the volume of a gas is composed of the large amounts of empty space between the gas particles.
Explanation:
Answer:
it is 50
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