A Chalcogen and an Alkali metal would come together to form a compound with a ratio of... Note: the ratio must represent the proper order
in which the elements would combine to form the compound*

The answer for #3 is c but i don't know why

What must occur for air masses to form fronts

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas