What is the charge on the cation in the ionic compound sodium sulfide?

If a test consisted of 100 question ho many would I have to get right to pass. At the very least?

What is the volume of 4.00 moles of CO2 gas at STP?

What would you predict about a chemical that has a hydrogen ion concentration of 1*10 to the - 12 It is basic It is acidic It is a buffer It has a pH of 7

Which of the following is not a factor that affects the rate of weathering in rocks

Which of the answer choices best represents the approximate relative mass of the three subatomic particles? (Select all that apply.) protons = neutrons electrons = neutrons neutrons > electrons protons > electrons

Which compound is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?

State one major difference between having a nitrogen atom in a ring structure and having an oxygen atom in that structure

Can dowels be chopsticks, since both of them are wood?

Which electron configuration represents the electrons in an atom of Ga in an excited state?

Why are there so many volcanoes in and around japan