A. Which of these statements about a column of the periodic table is true?
The elements have similar characteristics.
b. The elements have a wide range of characteristics.
C. The elements have the same atomic number.
d. The elements have the same atomic mass.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.