Which tool is used to detect yellow light rays emitted by stars from outer space?
x-ray optical telescope
gamma telescope
optical telescope
infrared telescope

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

Which statement describes james chadwick’s discovery.

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?