At do oxygen (o) and bromine (br) have in common? they both tend to gain electrons to gain stability. they both have seven valence electrons. they are both halogens. they are both unreactive.

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point