Which of the following is not true of hydrogen? it can form an ion with a +1charge

It can form an ion with a -1 charge.

It is usually found as free hydrogen and not combined with other elements.

It is a colorless, odorless gas.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

Drug abuse will not lead to physical and psychological dependence. true or false ?