The atomic mass of an element whose atoms consist of eight protons, nine neutrons, and eight electrons is

8

16

17

25

What is the simple sugar resulting from the hydrolysis of lactose?

Which of the following masses is/are equivalent to seventy billion metric tons? 1) 7.0x10^10 metric tons 2) 0.070 trillion metric tons 3) 70,000 million metric tons 4) all of them are equal to seventy billion metric tons

You place a balloon in a closed vacuum chamber at standard temperature and pressure (STP). You decrease the pressure in the chamber by half but keep the temperature constant. What happens to the volume of the balloon? a. It stays the same volume. b.

What state of matter can expand to fit the volume of a container

Isozymes catalyze the same reactions, and have different Kn and Vmax (T/F)

The electron configuration 1s22s22p63s23p6 represents which noble gas?

What are some disadvantages of incinerators?

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)