Answer:
halides
Explanation:
This is one electron away from having a full octet of eight electrons, so these elements tend to form anions having -1 charges, known as halides: fluoride, F-; chloride, Cl-, bromide, Br-, and iodide, I-. In combination with other nonmetals, the halogens form compounds through covalent bonding.
Answer:
for number of neutrons it is mass number take away the atomic number
number of electron is the same as number of proton unless there is a charge like +2 it will have 2 less electron than the proton (atomic number ) number.
number of proton is the atomic number
Explanation:
hope it make sense:)
