An atom has 5 protons and 7 neutrons. What is its mass number of amu?

A proton is a particle inside the nucleus of an atom. It has a negative electric charge. all protons are identical true or false

The movement of particles from a less crowded area to a more crowded area requires what

What is the name of the ionic compound CaO?

Uranus is much larger than Earth, with a surface area of 8.10 * 1015m2 with an atmosphere of low-density gases: 82.5% H2, 15.2% He, and 2.30% CH4. The acceleration due to gravity is similar to that on Earth, 8.

Maize, man, Goat, is an example of a food chain true or false

Which of the following form solid solutions? Select all that apply. naturally occurring minerals gases present in air HCl and water sugar and water metal alloys

Alan's go-kart travels 1750 feet per minute, and Barry's go-kart travels 21 miles perhour. Who's go-kart travels faster?

What needs to happen for a solute to dissolve in a particular solvent? A) the attractions between the solute and solvent molecules must be greater than the attractions keeping the solute together and the attractions keeping the solvent together.

Which is a conversion factor for this statement of equality: 12 in. = 1 foot? 12 feet1 in. 12 feet 1 in. 1 in. 12 feet 1 in. 12 feet 1 foot12 in. 1 foot 12 in. 1 foot1 in. 1 foot 1 in.

Which of the following is an incorrect way of rearranging the density formula: a. m=v•d b. V=d/m c. V=m/d d. Both a and b are incorrect