What is meant by a chemical bond? why do atoms form bonds with each other? why do some element esist as molecules in nature instead of as free atoms?

Why is it important for a doctor to ask a patient questions in addition to doing a physical exam?

What is the correct orbital diagram for carbon

What happens to a liquid as it evaporates

Which of the following statements is true? A. All of the sun's radiation is reflected back into space by the Earth's atmosphere. B. Air is a poor insulator because the molecules in gas are very far apart. C.

Matter materials made of only one kind of atom is called: A) matter B) element C) compound

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?

For the complete combustion of 5.6dm3 of a gaseuos hydrocarbon CxHy. 28.0dm3 of oxygen gas were used, 16.8dm3 of CO2 gas and 18.0gof liquid water were produced all gases measurement were made at stp. Determine the chemical formula of the hydrocarbon