Which elements make up a water molecule?

hydrogen and nitrogen

O oxygen and nitrogen

O oxygen and carbon

hydrogen and oxygen

How many pain pills does it take to hurt someone really really badly or Kill them?

Which elements have similar chemical properties? Check all that apply. Barium, beryllium, rubidium, radium, titanium, calcium, platinum

How many moles of Calcium are in a sample of 40g?

What happens in the distillation flask and condenser during distillation.

Select the factors that influence the rate of a chemical reaction. a. altering the concentration of reactants in the vessel b. changing the temperature of the reaction c. modifying the surface area of reactants d.

Why are nonnative species a threat to biodiversity? Why are nonnative species a threat to biodiversity? A. They often use up resources that other organisms need. B. They are not able to successfully breed in the wild. C.

What is the pressure inside a tank when it contains 87.3 moles of Helium if it holds 52.0 miles at 9.63 atm

Which statement describe how the bond between two oxygen bond atoms is formed?

The bonds in the compound MgSO4 can be described as A. ionic, only B. covalent, only C. both ionic and covalent D. neither ionic nor covalent

If The mass of a box is increased and the force stay the same, determine the relationship with acceleration