Exam 1 important terms

Question 1

random error

Answer 1

may make a measurment reandomly too high or too low

Question 2

systemanic error

Answer 2

Consitently making a measurment too high or too low

Question 3

inductive reasoning

Answer 3

thought process with specific observations and attempts to generalize to a larger universal conclusion

Question 4

Deductive reasoning

Answer 4

thought process that takes two or more statments and combines them so a clear and irrefutable conclusion can be made

Question 4

polymers

Answer 4

very large molecules made of many smaller molecules

Question 5

Mass Number

Answer 5

sum of the number of protons AND nuetrons in a neclues

Question 5

Atomic number

Answer 5

Number of protons in a nucleus (identifies elements)

Question 6

isotopes

Answer 6

same number of protons diofferent number of nuetrons

Question 7

lattice

Answer 7

when ions assemble into an extended array and are held together by the attraction between oppositely charged ions and ionic bonding occurs

Question 8

ionic bond

Answer 8

medal and nonmetal

Question 9

covalent bond

Answer 9

nonmetal and nonmetal

Question 10

cemical formula

Answer 10

describe a copmpund in terms of the elements the compound contains

Question 11

empirical formula

Answer 11

indicate the smallest whole number ratio between the atoms of each in molecular formula

Question 12

organic chem

Answer 12

study of the compounds of the elemnt carbon, usually with O, N, and H

Question 13

inoganic chem

Answer 13

study of all other elements and their compounds

Question 14

hydrocarbons

Answer 14

contain only C and H

Question 15

periodicity

Answer 15

regular patterns in the chem and physical behavior of groups and elements

Question 16

Molarity = ?

Answer 16

mole of solute/L of solution

Question 17

electrolyte

Answer 17

soulbe in water and the species split into ions

Question 18

strong electrolyte

Answer 18

dissociate completely into ions in teh soulution

Question 19

weak electroyte

Answer 19

dissociate partially into ions in solution

Question 20

nonelectrolyte

Answer 20

soluble in water but the molecule remains intacted

Question 21

Acids

Answer 21

Substances that dissolve in water to produce H+ ions

Question 22

Bases

Answer 22

Substances that dissolve in water to produce OH- ions

Question 23

mole

Answer 23

6.022 x 10^23

Question 24

Molar mass oc a compound is determined by

Answer 24

the sum of teh molar masses of all the atoms in a compound

Question 25

Dilution equation

Answer 25

Mi x Vi = Mf x Vf

Question 26

Soulte

Answer 26

what you dissolve into a liquid

Question 27

Number of moles = ?

Answer 27

given mass of compound/molar mass of compound