An isotope contains 15 protons, 15 electrons and 17 neutrons. What is the isotope?

What type of sedimentary rock is formed from mechanical weathering debris

Which of the following is not true about the dilution of a solution? The concentration decreases. The amount of solvent increases. The amount of solute remains constant. The volume decreases.

Look at the following reaction. How could you increase the production of 2NH3 (g) ? N2 (g) + 3H2 (g) 2NH3 (g) Increase the volume of the reaction vessel. Increase the pressure of the system. Decrease the pressure of the system.

Consider the location od barium, chlorine, iodine, and strontium on the periodic table. Which type of atom has the strongest attraction for electrons in bond formation?

How many valence electrons does oxygen have? a. 2 c. 6

Methane burns in oxygen to produce carbon dioxide and water. Which reaction is occurring here

How can electrons in an atom move from one energy level to another?

Which statements accurately describe volcanic landforms? Check all that apply

What does 5000 mg = g in chemistry

How does pressure affect the solubility of gases?