The building block that makes up all matter in the universe is atoms.
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Answer:
The mass in grams of one mole of a substance.
Answer: a branch of chemistry concerned with the rate of chemical reactions, the factors that influence these rates, and the use of rate studies to clarify reaction mechanisms
Answer:
H2O and CO
Explanation:
they both form covalent bonds because none both of the elements are non-metal. Mgo and NaF both have metals in them so they would form ionic bonds.
Covalent bonds, two non-metal
Ionic bonds, a metal and a non-metal