Exam 1 Study Guide

Question 1

what is the factor and and prefix for symbol “G”

Answer 1

10^9 (1,000,000,000), giga

Question 2

what is the factor and and prefix for symbol “M”

Answer 2

10^6 (1,000,000), mega

Question 3

what is the factor and and prefix for symbol “k”

Answer 3

10^3 (1,000), kilo

Question 4

what is the factor and and prefix for symbol “d”

Answer 4

10^-1 (0.1), deci

Question 5

what is the factor and and prefix for symbol “c”

Answer 5

10^-2 (0.01), centi

“puttingin your two cents”

Question 6

what is the factor and and prefix for symbol “m”

Answer 6

10^-3 (0.001), milli

Question 7

Ammonium

Answer 7

NH4^+

Question 8

Hydroxide

Answer 8

OH-

Question 9

Carbonate

Answer 9

CO3^2-

Question 10

Phosphate

Answer 10

PO4^3-

Question 11

Nitrate

Answer 11

NO3^-

Question 12

Nitrite

Answer 12

NO2^-

Question 13

Sulfate

Answer 13

SO4^2-

Question 14

Sulfite

Answer 14

SO3^2-

Question 15

Perchlorate

Answer 15

ClO4^-

Question 16

Chlorate

Answer 16

ClO3^-

Question 17

Chlorite

Answer 17

ClO2^-

Question 18

Hypochlorite

Answer 18

ClO^-

Question 19

what is an isotope

Answer 19

its an atom with a different number of neutrons

Question 20

atomic mass is equal to

Answer 20

the sum of protons and neutrons

Question 21

atomic number is equal to

Answer 21

the number of protons

Question 22

how do you calculate the number of neutrons?

Answer 22

atomic mass - atomic number

Question 23

How many electrons does a neutral atom of uranium-238 have?

Answer 23

92

Question 24

an isotope, X, of a particular element has an atomic number of 9 and a mass number of 14. How many protons, neutrons, and electrons are there?

Answer 24

Protons: 9
Neutrons: 5
Electrons: 9

Question 25

As-73. What does the 73 mean?

Answer 25

Atomic mass

Question 26

empirical formula is

Answer 26

simplified molecular formula

Question 27

covalent bonds are bonds between

Answer 27

non metals. They share electrons

Question 28

ionic bonds are typically bonds between _____ and _____. In Ionic bonds electrons are _____

Answer 28

metals and nonmetals. Taken from one atom to the other (NaCl)

Question 29

what is the chemical formula for sulfuric acid

Answer 29

H2SO4

Question 30

what is not an SI unit?

Answer 30

grams