An atom has an average atomic mass of 63.5amu. 1 amu is equal to 1 gram per mole. So 63.5 amu is equal to 63.5 grams per mile or 63.5 g/mol. So the answer is Cu or Copper. Hope this helps. If it does, please mark as Brainliest.
A: It takes more energy to remove two valence electrons from an atom than one valence electron. This makes alkaline Earth metals with their two valence electrons less reactive than alkali metals with their one valence electron.
Answer: It includes both a physical and chemical change
Explanation: Because the gas is turning into fire which is physical and the gas is giving out heat which is chemical
Than you for posting your question here. I hope the answer helps.
The answer as to be grams (g) since you it is aske for mass. What you have for units is 1/g.
<span>Very close. The factor is 5. </span>
<span>answer is 5 * 65 g of water.</span>
