Hydrogen is in group 1 with lithium, sodium, potassium, rubidium, cesium, and francium because it
(2 points)
Is a metal
Is a gas
Has 1 valence electron
Has 1 energy level

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.

What happens to an isotope during radioactive decay?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples