Which of the following is correctly paired
a. element- air
b. compound- baking soda
c. heterogeneous mixture-perfume
d. homogeneous mixture- pulpy orange juice

Which statement is best described as a atom

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

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?