Which of the following is an alkali metal?

Question 2 options:

Magnesium (Mg)

Nickle (Ni)

Calcium (Ca)

Rubidium (Rb)

How many grams are in one mole of phosphide?

In a liquid, the energy required to increase the surface of the area by a unit amount is called : a. dipole-dipole force. b. viscosity. c. capillary action. d. surface tension. e. hydrogen bonding

5.80 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant.

The chemical force for which of the following ions is directed into the cell? The chemical force for which of the following ions is directed into the cell? calcium only potassium only both sodium and calcium sodium only both potassium and sodium

In chemistry, the most commonly used unit of concentration is

A solution contains 45 grams of nitrogen gas and 40 grams of argon. What is the mole fraction of argon in this solution?

How is an animal cell related to tissue and organs

Predict the precipitate produced by mixing an Al (NO3) 3 solution. write the net ionic equation for the reaction. include the states of matter

Identify the precipitate (if any) that forms when KOH and Cu (NO3) 2 are mixed

An atom has a mass number of 27 and 14 neutrons. what is the atomic number of this atom?