modern atomic theory

Question 1

polyatomic ion

Answer 1

tightly bonded group of ions with a - or + charge overall

Question 2

emr is energy transmitted from one place to another by

Answer 2

light

Question 3

the fundamental unit of light is the

Answer 3

photon

Question 4

many forms of emr:

Answer 4

gamma rays, x-rays, uv rays, infra-red rays, microwaves, radio waves

Question 5

human eyes can only see a small portion of this spectrum:

Answer 5

the visible light part

Question 6

the wave properties of emr include:

Answer 6

velocity, wavelength, frequency

Question 7

wavelength:

Answer 7

distance between 2 consecutive peaks or troughs in a wave

Question 8

wavelength unit:

Answer 8

meter

Question 9

frequency:

Answer 9

indicates how many waves pass a given point per second

Question 10

frequency unit:

Answer 10

hertz (hz)

Question 11

speed - velocity:

Answer 11

indicates how fast a given peak moves in a second of time

Question 12

different wavelengths of emr (light) carry different amounts of

Answer 12

energy

Question 13

photons that correspond to red light have _____ energy than photons that correspond to blue light

Answer 13

least

Question 14

the ________ of red light is longer than blue light

Answer 14

wavelength

Question 15

the ______ the wavelength of light the lower the energy carried

Answer 15

longer

Question 16

the _______ the wavelength of light the higher the energy carried

Answer 16

shorter

Question 17

wave-particle theory:

Answer 17

light as waves & light as photons

Question 18

photon/quantum:

Answer 18

packet of energy or a “particle”of electromagnetic radiation