Question 1 is a group of two or more atoms that is held together by bonds.
O A A metal
O B. An atom
O C. A molecule
D. An element

This is a mixture that has the same composition throughout.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159