CHEM 121 FINAL EXAM
Verified Questions and
Answers- PORTAGE
LEARNING
Instructions
All answers are underlined.
Questions
22.4 L <answer>when gases are at STP, 1 mol gas =?
acid <answer>any chemical that releases H+ in water
actual yield <answer>amount of product that we obtain in an experiment
, alkali earth <answer>group 2 on periodic table
alkali metals <answer>group 1 on periodic table
amplitude <answer>height of the wave
angular momentum quantum number <answer>l, divides each shell into subshells
s (l=0), p (l=1), d (l=2), f (l=3)
Arrhenius acid <answer>substance that when added to water increases the
concentration of H+ ions present
atom <answer>the basic unit of a chemical element
atomic mass <answer>weighted average of the masses of the isotopes of an element,
gives the mass of one atom of the element
atomic number <answer>number of protons in the nucleus, defines the element
Avogadro’s number <answer>6.022 x 10^23
base <answer>any chemical that releases OH- in water
Bohr <answer>this man said that electrons in atoms can only have certain energies;
they are quantized
bomb calorimeter <answer>q = Cal x deltaT
Verified Questions and
Answers- PORTAGE
LEARNING
Instructions
All answers are underlined.
Questions
22.4 L <answer>when gases are at STP, 1 mol gas =?
acid <answer>any chemical that releases H+ in water
actual yield <answer>amount of product that we obtain in an experiment
, alkali earth <answer>group 2 on periodic table
alkali metals <answer>group 1 on periodic table
amplitude <answer>height of the wave
angular momentum quantum number <answer>l, divides each shell into subshells
s (l=0), p (l=1), d (l=2), f (l=3)
Arrhenius acid <answer>substance that when added to water increases the
concentration of H+ ions present
atom <answer>the basic unit of a chemical element
atomic mass <answer>weighted average of the masses of the isotopes of an element,
gives the mass of one atom of the element
atomic number <answer>number of protons in the nucleus, defines the element
Avogadro’s number <answer>6.022 x 10^23
base <answer>any chemical that releases OH- in water
Bohr <answer>this man said that electrons in atoms can only have certain energies;
they are quantized
bomb calorimeter <answer>q = Cal x deltaT
