On-metals in group 17 on the periodic table most commonly form which type of ion?

1- ions

Explanation:

Non-metals in group 17 on the periodic table most commonly forms -1 ions with other chemical species.

This is because of their atomic structure

Group 17 is made up of halogens which are fluorine, chlorine, bromine, iodine and astatine.

Because each of the elements has seven electrons in the outer shells of their atoms which implies that they lack one electron to become an octet, the elements are all univalent and also acceptors of electrons.

one state would change   like louisiana to texas. thats a change

explanation:

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.