What is the approximate mass of a proton?

(1) 1 u

(2) 0.0005 u

(3) 1 g

(4) 0.0005 g

What are the properties of the aluminum in the can? Check all that apply. It conducts electricity well. It is solid. It is brittle. It does not react easily with water or air. It is less dense than water.

How did the growth of the economy affect the status of women society?

What is the molar mass of 37.96 g of gas exerting a pressure of 3.29 on the walls of a 4.60 L container at 375 K?

What is true about the energy involved in a chemical reaction? A. The amount of energy is constant, but it is converted from one form to another. B. The amount of energy decreases as it is converted from one form to another. C.

Sodium ion and calcium ions produce nearly the same color in a flame test. Describe a way to differentiate between the two using a solution of Na2CO3 and write a balanced equation

What is the study of matter called? O A. Chemistry O B. Philosophy O O C. Biology D. Physics

Molality is a unit of concentration that measures the moles of solute per liter of solution. liter of solvent. kilogram of solution. kilogram of solvent.

What evidence do you have that the slope of the natural logarithm plot will be the same for all ions of the same charge, and not just for the ions you investigated?

How many Oxygen elements are in a carboxylic acid

The number of protons in the nucleus Of an Atom is equivalent to which of the following