Nitrogen has a proton number of 7, it also hos 7 neutrons What is the nucleon number of nitrogen?

Why does 40.0 g of NaOH added to 1.00 L of water not make a 1.00 M NaOH solution

A perfume bottle is dropped in the corner of a room. the order of the other side of the room. which statement best describes the observation?

At constant pressure, when the temperature of a gas is decreased, what happens to its volume?

What are the similarities of physical and chemical change?

Reactant A contains 85.1 J of chemical energy. Reactant B contains 87.9 J of chemical energy. Product C contains 38.7 J of chemical energy. If the reaction absorbs 104.

How many molecules are in 525g of aluminum oxide

What do you think would happen if a solid were exposed to extremely cold temperatures, or if a gas were exposed to extremely hot temperatures?

The molar mass of rhodium

What is your cost effective way to reduce greenhouse gas emissons

The sum of pH and pOH for any aqueous solution equals