Book1

Question 1

ATOMOS

Answer 1

DEMOCRITUS

Question 2

ATOMIC THEORY AND LAW OF MULTIPLE PROPORTION

Answer 2

JOHN DALTON

Question 3

LAW OF DEFINITE PROPORTION

Answer 3

JOSEPH PROUST

Question 4

ELECTRON

Answer 4

JJ THOMPSON

Question 5

NEUTRON

Answer 5

JAMEST CHADWICH

Question 6

PROTON

Answer 6

ERNEST RUTHERFORD

Question 7

CREATED THE MODERN PERIODIC TABLE

Answer 7

DMITRI MENDELEEV

Question 8

DEVELOP THEORY OF COVALENT BOND

Answer 8

GILBERT LEWIS

Question 9

FORMULATED VALENCE THEORY AND ELECTRONEGATIVITY

Answer 9

LINUS PAULING

Question 10

matter remains the same befor and after reaction occur

Answer 10

LAW OF CONSERVATION OF MASS

Question 11

same reactant = same product

Answer 11

LAW OF CONSERVATION OF MASS

Question 12

same proportion of elemet by mass

Answer 12

LAW OF DEFINITE PROPORTION

Question 13

two elements when combined form more than one compound

Answer 13

LAW OF MULTIPLE PROPORTION

Question 14

6.02 x 10-23 mol-1

Answer 14

AVOGADRO’S NUMBER

Question 15

EQUAL VOLUME, GAS, SAME TEMP. AND PRESSURE, SAME NUMBER OF MOLECULE

Answer 15

AVOGADRO’S LAWS

Question 16

smallest constituent unit of matter

Answer 16

ATOM

Question 17

CANNOT BE BROKEN DOWN INTO SMALLER SUBSTANCES

Answer 17

ELEMENTS

Question 18

TWO OR MORE DIFFERENT ELEMENTS

Answer 18

COMPOUNDS

Question 19

SIMPKEST TERM OF SUBSTANCE

Answer 19

ELEMENTS

Question 20

IS PART OF AN ELEMENT

Answer 20

ATOM

Question 21

NUMBER OF PROTON IN A NUCLEUS

Answer 21

ATOMIC NUMBER

Question 22

TOTAL # OF PROTON AND NEUTRON IN A NUCLEUS

Answer 22

MASS NUMBER

Question 23

SAME ELEMENT WITH DIFFERENT NUMBER NEUTRON

Answer 23

ISOTOPES

Question 24

FATHER OF CHEMISTRY

Answer 24

ANTOINE LAURENT LAVOISIER

Question 25

IN NEUTRAL ATOM THEY ARE THE SAME

Answer 25

PROTONS = ELECTRON

Question 26

DESCRIBE THE POSITION AND ENERGY OF ELECTRON IN AN ATOM

Answer 26

QUANTUM NUMBERS

Question 27

DESCRIBE HOW ELECTRONS ARE DISTRIBUTED IN ITS ATOMIC ORBITALS

Answer 27

ELECTRON CONFIGURATION

Question 28

ENUMERATE THE MAXIMUM NUMBER OF ELECTRONS PER SUBSHELL

Answer 28

s=2, p=6, d=10, f=14

Question 29

ENERGY REQUIRED TO REMOVE AN ELECTRON

Answer 29

IONIZATION ENERGY

Question 30

AMOUNT OF ENERGY LIBERATED WHEN A MOLECULE OR NEUTRAL ATOM ACQUIRES AN ELECTRON

Answer 30

ELECTRON AFFINITY

Question 31

ATTRACT ELECTRON TOWARDS ITSELF

Answer 31

ELECTRONEGATIVITY

Question 32

ION CONSIST OF ONE ATOM

Answer 32

MONOATOMIC

Question 33

MOLECULE CONSIST OF TWO ATOMS

Answer 33

DIATOMIC

Question 34

NO 2 ELECTRONS CAN HAVE SAME 4 ELECTRONIC QUANTUM NUMBER

Answer 34

PAULI'S EXCLUSION PRINCIPLE

Question 35

FILL SUBSHELLS OF THE LOWEST AVAILABLE ENERGY

Answer 35

AUFBAU PRINCIPLE

Question 36

EVERY ORBITAL IS SINGLY OCCUPIED BEFORE ANY ORBITAL IS DOUBLY

Answer 36

HUND'S RULE

Question 37

PERIOD IN PERIODIC TABLE

Answer 37

ENERGY LEVEL

Question 38

rule that dictates atoms are most stable

Answer 38

octet rule

Question 39

rule that dictates their valence shells are filled with 8 electrons

Answer 39

octet rule

Question 40

outermost shell of an atom

Answer 40

valence shell

Question 41

electron in outermost shell of any atom

Answer 41

valence electron

Question 42

when atom gain or lose valence electron they become

Answer 42

ions

Question 43

an atom or gorup of atom that has an electric charge

Answer 43

ions

Question 44

two types of ions

Answer 44

cations and anions

Question 45

are negatively charge

Answer 45

electron

Question 46

when atom loses an electron they become positive or negative?

Answer 46

positive

Question 47

when atom gains an electron they become positive or negative

Answer 47

negative