Answer:
D.
Explanation:
I had looked it up on the quiz site
The answer should be 479 i could possibly be wrong but that’s what i got because one mole is 47.90 grams
Na⁺¹₃P⁺⁵O⁻²₄
+1*3 + (+5) + (-2*4) = 0
For any element the nucleus consists of neutrons and protons while electrons orbit around the nucleus, (3)