If you accidentally spill a chemical on your skin, what should you do ... Immediately? Next?

Which statement best explains why the overall charge on an atom is zero? a. The positive charge of the neutrons in the nucleus equals the negative charge in the electron cloud. b.

Rhenium (Re) is made up of 37.4% 185Re and 62.6% 187Re The atomic mass of 185Re is 184.953 amu. The atomic mass of 187Re is 186.956 amu What is the average atomic mass of rhenium?

In terms of particles, the major difference between a liquid and a gas is that the particles of a gas A. Can move past one another B. are far apart C. are held close together by strong attractions. D. have lost their elections

When a solid is formed from the combination of two solutions of ionic compounds it is called?

What are the major types of mountains

Convert 5 moles H2O to liters

How many moles of sulfur atoms are in 2.408 x 10^24 atoms sulfur?

According to Rutherford, what does the nucleus contain?

When is alpha particle emission most likely to occur? A. When the nucleus has more than 83 protons. B. When the ratio of neutrons to protons in the nucleus is too high to be stable. C. When the nucleus has a mass of more than 83 amu. D.

What object is being acted on by balanced forces? A. A snowflake that falls and lands on a roof B. A skateboard that rolls increasingly faster down a hill C. A baseball that rolls to a stop in a field D.