Chemistry, 20.09.2020 02:01 Fireburntbudder
An atom with a mass number of 27 has 14 neutrons. What element is the atom?
Answers: 3
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 23.06.2019 05:30
The term gas is limited to those substances that exist in the gaseous state at
Answers: 1
Chemistry, 23.06.2019 08:40
Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.
Answers: 1
Chemistry, 23.06.2019 11:20
Match each state of matter with the statement that best describes it.
Answers: 1
An atom with a mass number of 27 has 14 neutrons. What element is the atom?...
History, 18.07.2020 04:01
History, 18.07.2020 04:01