Sem1

Question 0

Definite volume and definite shape

Answer 0

Solid

Question 1

High temperature state where electrons are stripped away

Answer 1

Plasma

Question 2

Variable volume in variable shape

Answer 2

Gas

Question 3

Definite volume in variable shape

Answer 3

Liquid

Question 4

Most common state of matter in the universe

Answer 4

Plasma

Question 5

What is the main difference between substances and mixtures?

Answer 5

Substances can only be separated by chemical or nuclear means

Question 6

What is the general characteristic of noble gases?

Answer 6

They are chemically inert

Question 7

What is any substance that has definite composition?

Answer 7

The chemical

Question 8

Which of the following is an extensive property of matter; melting point, volume, boiling point, or density?

Answer 8

Volume

Question 9

What are the two most important properties of all matter?

Answer 9

Taking up space and having mass

Question 10

What is a substance made of atoms of two or elements that are chemically bonded and can be broken down into simpler, stable substances

Answer 10

compound

Question 11

Matter includes all the following except; air, smoke, light, water vapor?

Answer 11

Light

Question 12

Which of the following is not a chemical change? Rusting, melting, igniting, or burning

Answer 12

Melting

Question 13

If a mixture is uniform in composition, it is said to be

Answer 13

Homogeneous

Question 14

A homogeneous mixture is also known as

Answer 14

A solution

Question 15

A mixture that is not uniform throughout is also known as

Answer 15

Heterogeneous

Question 16

The vertical columns on the periodic table are called?

Answer 16

Groups

Question 17

The horizontal rows on the periodic table are called

Answer 17

Periods

Question 18

Name three ways and make sure might be separated

Answer 18

a magnet to separate magnetic materials from non magnetics

Putting it into water to separate floating objects from non-floating objects

Boiling it to separate liquid objects from solid objects

Question 19

What Elements symbol is the letter H?

Answer 19

Hydrogen

Question 20

What is the name of group that contains the element Lithium?

Answer 20

Alkali

Question 21

What are the two different forms of matter?

Answer 21

Mixture or pure substance

Question 22

What are the two different forms of a mixture?

Answer 22

Heterogeneous and homogeneous

Question 23

What are the two different forms of pure substance?

Answer 23

Element and a compound

Question 24

List three properties of metal

Answer 24

Malleable, can conduct heat, and can conduct electricity

Question 25

Name three properties of nonmetals

Answer 25

Brittle, and insulator, and cannot conduct electricity

Question 26

Who studied hydrogens emission spectrum and developed the idea of quantum levels?

Answer 26

Bohr

Question 27

Who is credited with the creation of the periodic table?

Answer 27

Mendeleev

Question 28

Who stated that and electrons position and momentum cannot be known at the same time?

Answer 28

Heisenberg

Question 29

What is the speed of light?

Answer 29

3.0x10^8

Question 30

C=λv

Answer 30

Plank's constant = wavelength x speed of light

Question 31

Energy is most closely related to?

Answer 31

Frequency

Question 32

true or false: the photo electric affect refers to the omission of electrons from a metal when light shines on the metal

Answer 32

True

Question 33

When energy (such as heat or electricity) is absorbed by an atom, it's electrons becomes___________.

Answer 33

excited

Question 34

When an electron is in an excited state, it releases energy by__________.

Answer 34

Emitting a photon

Question 35

The principal quantum number is

Answer 35

The main energy level

Question 36

The angular momentum quantum number is the

Answer 36

Shape of the orbitals (s,p,d,f)

Question 37

What is the spin quantum number?

Answer 37

+1/2 or -1/2

Question 38

What is the magnetic quantum number?

Answer 38

The orientation around the nucleus

Answer 39

F orbital

Question 40

Why orbital does this look like: ⚫️?

Answer 40

S orbital

Question 41

What orbital does the number 8 look like?

Answer 41

P orbital

Question 42

What orbital does the 8 with a circle around it look like?

Answer 42

D orbital

Question 43

Orbital notation for oxygen?

Answer 43

1s⬆️⬇️2s⬆️⬇️2p⬆️⬇️⬆️⬆️

Question 44

Noble gas notation for copper

Answer 44

[Ar] 4s^2 3d^9

Question 45

Put Ca, K, and Al in order from most reactive to least

Answer 45

K, Ca, Al

Question 46

List the electromagnetic spectrum from high wavelength and low frequency to low wavelength and high frequency

Answer 46

Radio waves, microwaves, infrared, ROYGBV, ultraviolet, x-rays, gamma rays.

Question 47

Who used philosophical argument rather than experiment?

Answer 47

Dalton

Question 48

Who conducted the cathode ray experiment?

Answer 48

Thompson

Question 49

Who was credited with the idea of the atom? He called it "atomos" or indivisible pieces.

Answer 49

Democritus

Question 50

Who created the isolated radium?

Answer 50

Curie

Question 51

Who stated that matter is not destroyed in ordinary chemical reactions?

Answer 51

Lavoisier

Question 52

Who stated that an atom is mostly empty space with the densely packed, positively charged nucleus?

Answer 52

Rutherford

Question 53

Who put together a comprehensive theory that used to be referred as the "__________'s law".

Answer 53

Dalton

Question 54

Who conducted the gold foil experiment?

Answer 54

Rutherford

Question 55

Who created the charge to mass ratio of the electron?

Answer 55

Thompson

Question 56

Who stated that the mass of the reactants must equal the mass of the products?

Answer 56

Lavoisier

Question 57

Where is the proton located in the atom, what is its relative mass (AMU), and what is its relative charge?

Answer 57

Nucleus, one AMU, and positive

Question 58

Where is the neutron located in the atom, what is its relative mass (Amu), and what is its relative charge?

Answer 58

In the nucleus, 1 amu, neutral

Question 59

Where is the electron located in the atom, what is its relative mass (amu), and what is its relative charge?

Answer 59

In the orbitals, 1/2000 AMU, and negative

Question 60

In oxides of nitrogen, such as N2O, NO, NO2, and N2O3, atoms combine in small whole number ratio's. This evidence supports the law of

Answer 60

Multiple proportions

Question 61

Table salt, NaCl Will have the same percentage by mass of sodium and chlorine. This is true if we analyze a teaspoon or a truckload and is true if the NaCl comes from down the street or from China. This evidence supports the law of

Answer 61

Definite composition

Question 62

A sparkler is place in a sealed jar and the systems mass is measured. The sparkler is lit and the jar filled with smoke. The sealed jar system is found to have the same mass as it did before the sparkler was lit. This evidence supports the law of

Answer 62

The law of conservation of mass

Question 63

All atoms of the same element have the same what?

Answer 63

Atomic number

Question 64

In the periodic table, the mass of an element is the weighted average of the atomic masses of its

Answer 64

Naturally occurring isotopes

Question 65

The number of Adams in a mall or any pure substance is called

Answer 65

Avagadros number

Question 66

What is Avagadros number?

Answer 66

6.022x10^23

Question 67

H₃PO₄

Answer 67

phosphoric acid

Question 68

HClO₂

Answer 68

chlorous acid

Question 69

HClO₃

Answer 69

chloric acid

Question 70

HF

Answer 70

hydrofluoric acid

Question 71

HClO

Answer 71

hypochlorous acid

Question 72

H₂SO₃

Answer 72

sulfurous acid

Question 73

H₂SO₄

Answer 73

sulfuric acid

Question 74

HCl

Answer 74

hydrochloric acid

Question 75

HNO₂

Answer 75

nitrous acid

Question 76

H₂CO₃

Answer 76

carbonic acid

Question 77

H₃PO₄

Answer 77

phosphoric acid

Question 78

HClO₄

Answer 78

perchloric acid

Question 79

HC₂H₃O₂

Answer 79

acetic acid

Question 80

HNO₃

Answer 80

nitric acid

Question 81

HBr

Answer 81

Hydrobromic acid

Question 82

HI

Answer 82

hydroiodic acid

Question 83

NH4 +

Answer 83

ammonium

Question 84

H3O +

Answer 84

hydronium

Question 85

C2H3O2 -

Answer 85

acetate

Question 86

BrO3 -

Answer 86

bromate

Question 87

ClO3 -

Answer 87

chlorate

Question 88

ClO2 -

Answer 88

chorite

Question 89

CN -

Answer 89

cyanide

Question 90

H2PO4 -

Answer 90

dihydrogen phosphate

Question 91

HCO3 -

Answer 91

hydrogen carbonate

Question 92

HSO4 -

Answer 92

hydrogen sulfate

Question 93

OH -

Answer 93

hydroxide

Question 94

OH -

Answer 94

hypochlorite

Question 95

NO3 -

Answer 95

nitrate

Question 96

NO2 -

Answer 96

nitrite

Question 97

ClO4 -

Answer 97

perchlorate

Question 98

MnO4 -

Answer 98

permanganate

Question 99

SCN -

Answer 99

thyocyanate

Question 100

CO3 2-

Answer 100

carbonate

Question 101

CrO4 2-

Answer 101

chromate

Question 102

Cr2O7 2-

Answer 102

dichromate

Question 103

HPO4 2-

Answer 103

hydrogen phosphate

Question 104

C2O4 2-

Answer 104

oxalate

Question 105

O2 2-

Answer 105

peroxide

Question 106

SO4 2-

Answer 106

sulfate

Question 107

SO3 2-

Answer 107

sulfite

Question 108

AsO4 3-

Answer 108

arsenate

Question 109

PO4 3-

Answer 109

phosphate

Question 110

BO4 3-

Answer 110

borate