Chapter 1 and 2

Question 1

smallest particle of an element/mass

Answer 1

atom

Question 1

a molecule with two or more different kinds of atoms

Answer 1

heteroatomic molecule

Question 2

Vaporization

Answer 2

Liquids to gases

Question 2

homogeneous

Answer 2

a mixture, one visible phase (all solid, liquid or gas) and same properties throughout

Question 2

Anything with mass and occupies space. Gas and air are this

Answer 2

Matter

Question 2

first group. soft, shiny metals that readily react with water

Answer 2

alkali metals / active metals

Question 3

heteroatomic molecule

Answer 3

a molecule with two or more different kinds of atoms

Question 4

alkali earth metals / active metals

Answer 4

2nd group. soft, shint metals the only moderately react with water

Question 5

Gases to liquid

Answer 5

Condensation

Question 6

atom

Answer 6

smallest particle of an element/mass

Question 6

heterogenous

Answer 6

a mixture, 2 or more visble phases (solid, liquid, gas). different properties in different phases

Question 8

Solids, liquids and gases

Answer 8

Physical states

Question 8

alkali metals / active metals

Answer 8

first group. soft, shiny metals that readily react with water

Question 9

Dissolved in water

Answer 9

Aqueous

Question 10

Group 17. reactive elements that are gases at room temp or become gases at slightly above room temp

Answer 10

halogen

Question 11

Physical states

Answer 11

Solids, liquids and gases

Question 11

2 atoms of the same element bonded toghther. HOFBrINCl

Answer 11

diatomic

Question 13

region of space in an electron subshell where an electron is most likely to be found. each one can accomodate 2 electrons. specific shell and subshell combo (1s, 2p, etc)

Answer 13

electron orbital

Question 14

Matter

Answer 14

Anything with mass and occupies space. Gas and air are this

Question 15

how close we are to the true/known value. takes precedence when multiplying/dividing sig fig’s. least # of sig figs dictate our answer

Answer 15

accuracy

Question 16

Sublimation

Answer 16

Solids to gas

Question 17

2 or more atoms that function as a unit

Answer 17

molecule

Question 18

Liquids to gases

Answer 18

Vaporization

Question 20

diatomic

Answer 20

2 atoms of the same element bonded toghther. HOFBrINCl

Question 21

lowers energy required for a reaction, speeds up reaction

Answer 21

catalyst

Question 22

Condensation

Answer 22

Gases to liquid

Question 23

halogen

Answer 23

Group 17. reactive elements that are gases at room temp or become gases at slightly above room temp

Question 24

a mixture, one visible phase (all solid, liquid or gas) and same properties throughout

Answer 24

homogeneous

Question 25

combustion reaction

Answer 25

forms CO2 and H2O

Question 26

Gas to solids

Answer 26

Deposition

Question 27

a mixture, 2 or more visble phases (solid, liquid, gas). different properties in different phases

Answer 27

heterogenous

Question 29

precision/certainty

Answer 29

deviation from central value, degree of how close results of multiple repeated experiments are to eacher other (reproducibility). important when adding/subtracting sig figs. least # of decimal places dictates answer

Question 30

Aqueous

Answer 30

Dissolved in water

Question 32

catalyst

Answer 32

lowers energy required for a reaction, speeds up reaction

Question 33

2 or more of the same atom

Answer 33

homoatomic

Question 35

deviation from central value, degree of how close results of multiple repeated experiments are to eacher other (reproducibility). important when adding/subtracting sig figs. least # of decimal places dictates answer

Answer 35

precision/certainty

Question 36

accuracy

Answer 36

how close we are to the true/known value. takes precedence when multiplying/dividing sig fig's. least # of sig figs dictate our answer

Question 37

forms CO2 and H2O

Answer 37

combustion reaction

Question 38

oxidation reaction

Answer 38

process where reactant loses an electron in a reaction

Question 39

molecule

Answer 39

2 or more atoms that function as a unit

Question 40

homoatomic

Answer 40

2 or more of the same atom

Question 42

Deposition

Answer 42

Gas to solids

Question 43

process where reactant loses an electron in a reaction

Answer 43

oxidation reaction

Question 44

Solids to gas

Answer 44

Sublimation

Question 45

2nd group. soft, shint metals the only moderately react with water

Answer 45

alkali earth metals / active metals