Answer:
Tryptophan is an essential amino acid.
Answer:
gain or loses electrons.
Explanation:
Because the atom need to be balanced.
Answer:
D)The sound quality for these waves cannot be compared.
Explanation:
I've done it on e2020
I believe you just look at your periodic table for this value. I don't think there is any math involved.
Therefore one mole of Mg = 24.305g.
Answer:
11 electrons
Explanation:
The atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. The mass number of an element tells us the number of protons AND neutrons in an atom (the two particles that have a measurable mass).
