Which is a component of John Dalton's atomic theory?

The ratio of atoms in a compound can vary.

The atoms of a single element differ.

An atom is a small particle that cannot be broken down.

Atoms of different elements can be identical.

What is measured in mercury

The diagram shows a ball resting at the top of a hill. Which statement best describes the energy in this system? The potential energy in the system is greatest at X. The kinetic energy in the system is greatest at X.

Which of these ph numbers indicates the higest level of acidity

How many atoms are represented by the formula (nh4) 2co3?

Which statement describes thermal energy? the energy that is associated with electric fields the energy that is stored in chemical bonds the energy that is associated with the pull of gravity the energy that is associated with temperature

2. If you add water to dilute a solution, what happens to the molarity of the compound in the solution? Explain

Which of the following is NOT true of nitrogen fixation? (A) it is a process that occurs exclusively in some species of prokaryotes (B) it sometimes occurs in bacteria that are mutualistic symbionts in plant roots (C) it is the metabolic process

What two pieces of information do u need to describe force

Why are the atomic masses for most elements not whole numbers?

An aqueous solution is 0.387 m in hcl. what is the molality of the solution if the density is 1.23 g/ml?