Which characteristic of an atom always varies among atoms of different elements

What is a property of an acid

Does water roll or slide in wax paper?

A tritium nucleus is formed by combining two neutrons and a proton. the mass of this nucleus is 9.106 * 10-3 universal mass unit less than the combined mass of the particles from which it is formed.

Which type of orbit does the earth have with the sun?

Is blooda base or acid

Which of the following happens during a chemical change? Check all of the boxes that apply 0 One atom or more changes into atoms of another element. New substances with different properties are formed. O Solids, liquids, or gases may form.

The energy derived from the movement of H + ions down an electrochemical gradient from the intermembrane space into the matrix is used to drive the synthesis of ATP. How many H + ions must be moved into the matrix for the synthesis of 1 ATP?

Consider two solutions, solution a and solution b. [h+] in solution a is 370 times greater than that in solution b. part a what is the difference in the ph values of the two solutions?

All of the following are possible sources of error in a scientific investigation except for O measuring materials such as mass and volume incorrectly. o recording experimental data incorrectly. o having a constant in your experiment.

Do polyatomic ions have fixed charges?