All isotopes of a particular element have the same atomic number. how then do the isotopes of a particular element differ?

a. they have less or more protons.

b. they have less or more neutrons.

c. they have less or more electrons.

Which has a greater surface tension: H20 or CH3CH2CH2CL? Explain

What of the following is a Cation? A) (SO3) ^-2 B) sulfate C) (Ca) ^+2 D) chloride

What are the five states of matter?

What happens when friction between the opposite sides of a fault is high? a. A plateau may form on one side of the fault. b. The fault locks, and stress builds up until an earthquake occurs. c. Folding of the crust may occur. d.

What is the rock that has no exposure to chemical or mechanical weathering known as?

76. Which of the following choices is not an example of an adaptation? A. Nocturnal animal species have large eyes. B. One member of a wolf litter is born with shorter legs than its siblings. C.

Which is more dense a pound of rice or a pond of cement

An essay that is 530 words over an experiment. EX. Coke vs Mento Invisible Ink

K2so4 is a strong electrolyte. determine the concentration of each of the individual ions in a 0.600 m k2so4 solution.

How many grams of the excess reactant remain assuming the reaction goes to completion and that you start with 15.5g of na2s and 12.1g cuso4?