When different atoms join together, they are called a compound. Compounds are made of molecules (so molecules could be an alternate answer, but not all molecules are compounds)
Physical is something you can feel chemical is like a gas
<span>The atomic number represents the equal number of protons and electrons in an element. Hope i helped
Cheers,
Belive1234
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Answer:
in an ancient
Explanation:
when the word begins with a vowel you say an instead of a
Answer:
22.25 g
Explanation:
To find the mass, you need to convert moles to grams and get 22.25 g.