An atom has a mass number of 9 and 5 neutrons. What is its atomic number?

Can you tell me a sentence for electrcal charge

Describe the solubility of al (oh3 with respect to ph.

What does the second law of thermodynamics say about entrophy

How many covalent bonds does carbon form if each of its unpaired electrons participate in one bond?

In Latin, the word aqua means water. What does it mean when we refer to a mixture as an aqueous solution?

Which substance is the oxidizing agent in this reaction? 2CuO+C→2Cu+CO2 Express your answer as a chemical formula.

Why does the light bulbs have to be part of the loop in order for it to be succesful?

Which best describes the transition from gas to liquid? Energy must be removed because particles in liquid move more slowly. Energy must be added because particles in liquid move more quickly.

Calculate the mass of a 0.255-ml sample of a liquid with density 0.660 g/ml.

Which statement correctly describes the interaction between magnetic poles? North and south poles attract each other. North and south poles repel each other. Two north poles will attract each other. Two south poles will attract each other.