Answer:
I think it will option D hope it helps
Answer:
milk, lemon juice, toothpaste and baking soda
Answer:
d
Explanation:
from you know the atomic number it should be easy to find
Answer:
HCl for acid, NaOH for base.
Explanation:
Acids start with H.
Bases end with OH.
Answer: 39 electrons
Explanation: Subtract 79 by 40 to get the atomic number (amount of protons) which is 39. The number of electrons must be the same as the number of protons if it's not an ionic compound so the amount of electrons is the same amount of protons.