What is the most massive element?

Which of the following is NOT a subatomic particle? Proton, Electron, Isotope or Neutron?

Exit Which of the following is best revealed by the Bohr Model? A. Electrons are found only within the nucleus of an atom. B. Protons orbit the nucleus of an atom in fixed proton shells. C.

Which formula represents a molecular compound? (1) Kr (3) N2O4 (2) LiOH (4) NaI

Andy hid a paper clip in one paper hat. He hid a crayon in another paper hat. Sam held a magnet near each paper hat. What happened? A) The hat with a crayon pushed away from the magnet. B) The hat with a crayon was pulled towards the magnet.

A high school class is discussing whether a particular discovery in chemistry has had a positive impact on society. Which question is the most important for the students to answer?

An alkali is able to "cancel" out an acid. What is the other word for "cancelling out the acid"?, Ill mark brainliest if your answer is correct; )) a) neutralise b) overcome c) nullify d) become acidic

Suppose you have made the following hypothesis: Sharks are most common near coral reefs, because there are more fish there to eat. Suppose you observed 10 sharks on a coral reef in the Caribbean, and 15 sharks in the open ocean 50 miles away.

The total pressure of a mixture of oxygen and hydrogen is1.00atm. The mixture is ignited and the water is removed. Theremaining gas is pure hydrogen and excerts a pressure of. 4atm whenmeasured at the same values of T and V as the original mixture.

Two ligands, a and b, both form complexes with a particular metal ion. when the metal ion complexes with ligand a, the resulting solution is red. when the metal ion complexes with ligand b, the resulting solution is yellow.

Distinguish between the structures of arteries, capillaries, and venies. what is the function of each.