QUIZ 1

Question 1

Group 1

Answer 1

Alkali Metals

Question 2

Group 2

Answer 2

Alkaline Earth Metals

Question 3

Group 17

Answer 3

Halogens

Question 4

Group 18

Answer 4

Noble Gases

Question 5

Transition Metals

Answer 5

Groups 3 to 12

Question 6

Metalloids

Answer 6

Diagonal (stairs) starting with Boron ending with At (astatine)

Question 7

Nonmetals

Answer 7

Hydrogen and elements right of metalloid stairs.

Question 8

JJ Thompson

Answer 8

Worked with cathode ray tube, credited with discovering the electron.

Question 9

Robert Millikan

Answer 9

Did the oils drop experiment, figured out charge-to-mass ratio of electrons.

Question 10

Ernest Rutherford

Answer 10

Did the gold foil experiment which led to the discover of the atom’s nucleus.

Question 11

Exothermic

Answer 11

Negative change in thermal energy.

Question 12

Endothermic

Answer 12

Positive thermal energy change.

Question 13

Exothermic Phase Changes

Answer 13

Freezing, condensation, deposition.

Question 14

Endothermic Phase Changes

Answer 14

Melting, vaporization, sublimation.

Question 15

Mass SI Unit and Symbol

Answer 15

kilogram, kg

Question 16

Length SI Unit and Symbol

Answer 16

Meter, m

Question 17

Temperature SI Unit and Symbol

Answer 17

Kelvin, K

Question 18

Time SI Unit and Symbol

Answer 18

Second, s

Question 19

Electrical Current SI Unit and Symbol

Answer 19

Ampere, A

Question 20

Quantity SI Unit and Symbol

Answer 20

Mole, mol

Question 21

Metals

Answer 21

Shiny solids, conductive, malleable

Question 22

Nonmetals

Answer 22

Brittle solid, liquids and gases, nonconductive.

Question 23

Metalloids

Answer 23

Shiny solids, brittle, semiconductive.