Question 1

2nd step in the scientific method; educated guess to scientific question

Accepted Answer

hypothesis

Question 2

definite volume + indefinite shape

Accepted Answer

liquid

Question 3

mixture that looks "different" throughout

Accepted Answer

heterogeneous

Question 4

variable also known as the manipulated; plotted on x-axis

Accepted Answer

independent

Question 5

indirectly smelling a vapor/gas

Accepted Answer

wafting

Question 6

means having 2 atoms

Accepted Answer

diatomic

Question 7

starting material in a chemical reaction

Accepted Answer

reactants

Question 8

getting the same results repeatedly OR the exactness of a measurement

Accepted Answer

precision

Question 9

SI unit for mass

Accepted Answer

kg

Question 10

SI unit for temperature

Accepted Answer

Kelvin

Question 11

SI unit for length

Accepted Answer

m

Question 12

shows that reaction is reversible; products and reactants form at same rate

Accepted Answer

equilibrium

Question 13

Group 8A elements

Accepted Answer

Noble Gases

Question 14

Group 7A elements

Accepted Answer

Halogens

Question 15

identifies element ; number of protons

Accepted Answer

atomic number

Question 16

Law of motion: F= ma

Accepted Answer

2nd

Question 17

space taken up by object

Accepted Answer

volume

Question 18

find this by subtracting atomic number from atomic mass

Accepted Answer

neutrons

Question 19

cannot be sped up, slowed down or affected by catalysts

Accepted Answer

nuclear reaction

Question 20

ions with - charge and gains valence electrons

Accepted Answer

anion

Question 21

ions with + charge and loses valence electrons

Accepted Answer

cation

Question 22

electron configuration achieved by chemical bonding

Accepted Answer

noble gas

Question 23

chemical bond made by sharing electrons between 2 anions

Accepted Answer

covalent bond

Question 24

always conserved in every chemical reaction

Accepted Answer

molar mass & number of atoms

Question 25

chemical bond made by transferring electrons from cation to anion

Accepted Answer

ionic bond

Question 26

range from 0 to 6 on pH scale

Accepted Answer

acids

Question 27

range from 8 to 14 on pH scale

Accepted Answer

bases

Question 28

time it takes radioactive material to decay 50%

Accepted Answer

half-life

Question 29

solution holding more than max amount of solute

Accepted Answer

super saturated

Question 30

solution holding less than the max amount of solute

Accepted Answer

unsaturated

Question 31

conserved in every chemical reaction

Accepted Answer

# of atoms / molar mass

Question 32

getting the same result repeatedly

Accepted Answer

precise

Question 33

getting close to the expected value

Accepted Answer

accurate

Related quizzes

Related quizzes