An atom is determined to contain 17 protons, 18 electrons, and 18 neutrons. what are the mass number and charge of this atom or ion?
mass number: 36, charge: -1
mass number: 35, charge: +1
mass number: 35, charge: -1
mass number: 36, charge: neutral

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron