Suggest why the marble chips fizz when added to the acid.

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

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

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?