Choose the atom or ion that is larger.

Select one:
a. N-3
b. N

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.