A characteristic of the noble gases is that they all have filled outer electron shells

Q-1: A characteristic of the noble gases is that they all:

1) have eight electrons in the outer shell
2) have low stability
3) form many compounds
4) have filled outer electron shells
ANSWER: 4 -- HAVE FILLED OUTER ELECTRON SHELLS

Q-2: A reduction reaction always involves the:

1) loss of electrons
2) gain of electrons
3) addition of oxygen
4) removal of oxygen
ANSWER: 2 -- GAIN OF ELECTRONS

Q-3: The photoelectric effect is a demonstration of:

1) the wave nature of light
2) the particle nature of light
3) Compton scattering
4) the continuous spectrum of radiation
ANSWER: 2 -- THE PARTICLE NATURE OF LIGHT

Q-4: When a solid material is heated, it always:

1) emits a discrete radiation spectrum
2) glows red
3) emits a continuous radiation spectrum
4) emits only visible radiation
ANSWER: 3 -- EMITS A CONTINUOUS RADIATION SPECTRUM

Q-5: An electron is classified as a:

1) boson
2) nucleon
3) fermion
4) meson
ANSWER: 3 -- FERMION

Q-6: Laser radiation is:

1) monochromatic
2) directed in a narrow beam
3) produced with large power densities
4) all of the above
ANSWER:4 -- ALL OF THE ABOVE

Q-7: Which of the following implies the greatest precision?

1) 1.02 x 105
2) 102 x 103
3) 0.102 x 106
4) 1.020 x 105
ANSWER: 4 -- 1.020 x 105

Q-8: Which of the following is NOT one of the fundamental quantities in physics?

1) time
2) length
3) weight
3) mass
ANSWER: 3 -- WEIGHT

Q-9:A sphere which has half the radius but twice the density of another sphere has:

1) more mass
2) less mass
3) the same mass
4) the same weight
ANSWER: 3 -- LESS MASS