Around 1774 Antoine Lavoisier and his wife Marie-Anne disproved the phlogiston theory by naming a new element that we call ____.

Studying chemistry involves the study of ______.

Matter is defined as ____.

___________ is the occasional occurrence when a gas turns directly into a solid without turning into a liquid first.

Which state of matter do not hold their own shape and can fill a container of any shape or size. This state of matter also has very high movement of its atoms and/or molecules.

Which state of matter do not hold their own shape and can fill a container of any shape or size. This state of matter also has very high movement of its atoms and/or molecules.

Which of the following is not one of Aristotle’s four elements?

___________ is the occasional occurrence when a gas turns directly into a solid without turning into a liquid first.

Which state of matter has the lowest density?

Chemical elements like carbon, oxygen, and nitrogen are considered _____.