A compound is a pure substance made of 2 or more types of elements that are chemically bonded

True or false

Which is a compound? nitrogen gas carbon dioxide gas oxygen gas hydrogen gas

Why is water (H2O) considered the "universal solvent"?

What is the ground-state electron configuration of a neutral atom of cobalt? express your answer in condensed form, in order of increasing orbital energy. for example, [he]2s22p2 would be entered as [he]2s^22p^2?

What might be damaged by ionizing radiation? * lead paper soft tissue

Balance equations __Mg (s) + __HCI (aq) - > __MgCI2 (aq) + __H2 (g)

How many atoms of Hydrogen in the products of the following equation? 3NO2 + H2O - -> NO + 2HNO3 1 3 4 2

What reactants form a combustion reaction? O A. A hydrocarbon and oxygen O B. Hydrogen and water vapor O C. A hydrocarbon and water O D. Water vapor and oxygen

Is the Sun bigger and brighter than Betelgeuse?

What is the si unit for the quantity of particles in a sample?

How many moles of ammonia are produced when 8 moles of nitrogen gas react with hydrogen gas?