What is the symbol for an isotope of carbon with 7 neutrons?

How many electrons do the elements of the most stable group have in their outer energy levels? a. 1 c. 12 b. 4 d. 8

If a long steady rain is expected which clouds should be expected

Some amount of water is evaporated from a 2.0 L, 0.2 M NaI solution, to from a 1.0 L solution. The molar mass of NaI is 150 g/mol. What is the final concentration of NaI solution?

How many grams are in 21.3 moles of BaCO3

What forms the salt and water

Describe the direction of the wind movement around the center of high air pressure

How much volume (in cm^3) is gained by a person who gains 11.5 lbs of pure fat?

A compound contains 69.94 percent iron and 30.06 percent oxygen. what is its molecular formula if the molar mass of the compound is 199.55 grams per mole?

What is the formula for carbon and chlorine

A pair of ice tongs is a double: first-class lever second-class lever third-class lever