Which of the following physicists paved the path for experiments with subatomic particles with his discovery of the

electron in the early 20th Century?

Niels Bohr

Albert Einstein

OJJ Thompson

Ernest Rutherford

Why do you think adding water (dilution) changes how acidic or basic the liquid is? Explain your thinking.

Why is bronze considered an alloy? a. Bronze can be shaped to make tools. b. Bronze is a hard, golden-brown metal. c. Bronze is made of the metals copper and tin. d. Bronze has been used by people for millennia.

The compound K2O2 also exists. A chemist can determine the mass of K in a sample of known mass that consists of either pure K2O or pure K2O2.

Two or more elements chemically combined make a?

What are the answers to the nuclear chemistry packet

Boron has an average mass of 10.81. One isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent. The other isotope has a relative abundance of 80.20 percent. What is the mass of the two isotopes?

What type of radiation is most likely to damage DNA? A. ionizing B. non-ionizing

Water vapor cools and comes together to form a cloud. This is an example of what change in state? condensation evaporation melting

Which group of the periodic table does this element most likely belong to

What is the ph of a 7.5*10^-3 m H + solution