C. 2,500Dg Im pretty sure thats it
Answer:
See which of your answer choices are comparable and what you can contrats them with
Explanation:
YEET
Answer: .150 moles of Ana
Explanation:
You just multiply 3.45 g of Na times the number of mole so in this case 1 mole divided by the grams it takes to make that mole. Which can be found on your periodic table it is the number right under the symbol of the element.
Helium was first discovered in space before it was on earth
Answer:
metals is the simplest form of crystalline solid