What classification should this reaction have?

4Al + 3O2 → 2Al2O3

What is the exact location of an earthquake on earths surface, A. Core B. pole C. Focus and D. Epicenter?

Ba (CN) _ What is the compound

Which of an atom's electrons are involved in chemical reactions? O A. The electrons farthest from the nucleus of the atom O B. The electrons that make one isotope different from another O C. The electrons closest to the nucleus of the atom O D.

What is "plastic" rock and how does it move?

What does CaCO3 represent? A chemical reaction. A chemical subscript. A chemical formula. A chemical symbol.

A specific, electrically neutral atom of boron has 5 protons, 5 electrons, and 6 neutrons. what is the mass number of this atom of boron? 6 5 11 16

When does hail happen?

For the reaction, calculate how many moles of the product form when 0.012 mol of O2 completely reacts. Assume that there is more than enough of the other reactant. 4Al (s) + 3O2 (g) →2Al2O3 (s) Express your answer using two significant figures.

Nuclei with too many or too few neutrons are?

Be sure to answer all parts. Enter the formula for potassium dihydrogen phosphate and determine its molecular (formula) mass.