the atom definitions

Question 1

cathode rays

Answer 1

streams of negatively charged particles called electrons. They travel in straight lines from the cathode to the anode

Question 2

alpha particles

Answer 2

positively charged particles produced by certain radioactive substances

Question 3

protons

Answer 3

small positively charged particles in the nucleus

Question 4

electrons

Answer 4

negatively charged particles outside the nucleus

Question 5

neutrons

Answer 5

neutral particles with no charge

Question 6

continuous spectrum

Answer 6

spread of array of colours caused by white light passes through a glass prism and broken up

Question 7

orbits

Answer 7

fixed paths that the electrons revolve around the nucleus in

Question 8

quantum

Answer 8

fixed amount of energy

Question 9

ground state

Answer 9

when all electrons occupy the lowest available energy level

Question 10

excited state

Answer 10

when electrons occupy higher energy levels

Question 11

sublevel

Answer 11

subdivision of a main energy level and consists of one or more orbitals of same energy

Question 12

orbital

Answer 12

region in space where theres a high chance of finding an electron

Question 13

wave particle duality

Answer 13

idea that a particle can behave like a wave