Which of the following are likely to form an ionic bond?

1) two carbon atoms

2) carbon and hydrogen atoms

3) sodium and fluorine atoms

4) two silver atoms

How many electrons can be held in the second orbital

Molecules of two substances at the same temperature have the same: A) average kinetic energy. B) heat content. C) distance between the molecules. D) average potential energy.

How many atoms of phosphorus are in 9.20 mol of copper (II) phosphate?

A nurse used a 0.02-mg/L solution of disinfection to clean a patients wound. What is the concentration of the solution expressed as a percentage?

Which process is a chemical change A. melting of ice B. boiling of water C. Subliming of ice D. Decomposing of water

When heat is added to or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?

Chemical Reactions Lab Procedures: 1. Place a 1cm long piece of white chalk in a clear plastic cup. 2. Add 5 mL of vinegar to the cup. 3. Record your observations. If you were performing the procedures above you would need to A.

How many moles of oxygen are in 0.53 moles of co 22?

The car wit fastest acceleration is the tempest. it has an acceleration of 6.1 m/s. suppose the car accelerates from rest to a final speed of 30. m/s. how long does it take the tempest to reach this speed?

What is the wavelength of 2.18*1016 hz wave?