What is the charge of an electron? In Thomson's experiment the electrons traveled from the cathode, the negative electrode, toward the anode, the positive
electrode. Why did this happen?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear

Avariable that is not being directly tested during an experiment should be