Determine the group and period by ending electron configuration: 4s2

How many grams of mgbr2 are needed to produce 75g or metal?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

In a ball-and-stick molecular model, what do the sticks represent?