Which element is a nonmetallic liquid at room temperature?
(1) hydrogen
(2) oxygen
(3) mercury
(4) bromine

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

In which situation can a mixture always be called a solution