When you mix copper sulphate solution and steel wool, what is the chemical property that can be observed.

What are the forces that exist inside an atom?

3. The ideal gas law allows you to calculate which quantity that is not possible in Boyle's or Charles' law? a. volume b. pressure c. temperature d. number of moles

Which scientists contributed to the current model of the atom? And what was their contribution?

Which of the following would not have the same number of valence electrons as the others? oxygen carbon sulfur selenium

Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water

What happens when the silvered coin is put on the flame

Do simple molecules conduct electricity? and why?

C) 2,2-dimethyl-3-heptyne how to draw

What is the difference between a solute and a solvent?

A 100 g sample of an unknown liquid absorbs 2000 j of heat energy, raising the liquid's temperature from 50 ◦ c to 70 ◦ c. what is the specific heat capacity of this liquid? no phase change took place.