Isotopes of an element have the same number of protons but a different number of

d. neutrons.

What is the electron dot diagram for hydrogen?

What term describe the shape of a DNA molecule

Fossil fuels transform chemical energy into other forms of energy. (True) or False

Which of the following statements is correct? Which of the following statements is correct? a. The temperature of the system is inversely proportional to the average kinetic energy of an atom in a system. b.

What mass of aluminum chloride could be made from 8.1 g of aluminum and 4.2 L of chlorine at STP?

Molecules are the smallest units of matter with the characteristic properties of a substance. a. True b. False

For the following hypothetical reaction: 3A + 2B - > 3C. How many moles of C can you produce with 5 moles of A and excess B?

Which of the following statements is true of enzymes? A. they change shape after a reaction B. They don't provide an active site for substrates to bind in a reaction C. They're unusable after a reaction D.

How many moles of NaCl are present in 530 ml of a 1.52m NaCl solution

How much can 97 go in to 15