20 ! balance the following redox equation using the oxidation-number-change method. describe each step you use to balance the reaction. hcl(aq) + zn(s) zncl2(s) + h2(g)

Drag each tile to the correct box arrange the layers not order from oldest to youngest

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius

In one or two grammatically correct sentences, write a definition for the term molecule geometry