The state of matter in which a material has a definite shape and a definite volume is the state. liquid

elemental

solid

gas

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Compare and contrast the bohr model and the electron cloud models of the atom.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)