Using an oscilloscope, it can be observed that the pitch of a sound is directly related to a sound wave’s frequency while the volume is directly related to a sound wave’s amplitude. the change shown in the illustration suggests that the a) pitch is increasing. b) pitch is decreasing. c) volume is increasing. d) volume is decreasing.

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

Which statement best describes the he properties of iconic compounds ?