What is the formula of the ionic compound composed of calcium cations and chloride anions

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

What produces wave a)sound b) heats c)transfer of energy d)vibrations

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals