A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?

If you change the temperature of a gas but keep the volume the same, how does the pressure change?

Name a common greenhouse gas containing ony hydrogen and oxygen

If you could measure the mass of the substances inside the cup before and after the reaction, you would see that the mass decreased over a course of the reaction. Explain the difference.

An isotope, X, of a particular element has an atomic number of 8 and a mass number of 18. Therefore: A. X is an isotope of oxygen. B. X has 10 neutrons per atom. C. X has an atomic mass of 15.9994. D. A and B. E. A, B, and C.

During which process of the water cycle does water change from a gas to a liquid? precipitation condensation transpiration evaporation

What is physical change in chemistry?

Testable question: does the water need to be hot or cold to make a cloud. What data can I use for my science project

Carbohydrate metabolic enzymes bind D-glucose specifically. D-glucose has an estimated caloric value of 1 k. cal per 4 grams of carbohydrate.

An atom in the excited state can have an electron configuration of

4fe (s) + 3o2 (g) →2fe2o3 (s) how many grams of Fe2O3 are produced when 12.0 of iron rusts