Lesson 1 Matter And It's Properties

Question 1

Has fixed shape and volume

Answer 1

Solid

Question 2

Ratio of an object’s mass to its volume

Answer 2

Density

Question 3

Neither a fixed shape nor volume

Answer 3

Gas

Question 4

Definite volume but takes the shape of its container

Answer 4

Liquid

Question 5

Refers to how well a substance dissolves

Answer 5

Solubility

Question 6

Refraction, reflection and absorption of light

Answer 6

Optical properties

Question 7

Ability to conduct heat or electricity

Answer 7

Conductivity

Question 8

Gain or loss of electrons

Answer 8

Oxidation and reduction

Question 9

Tendency to ignite or burn

Answer 9

Flammability

Question 10

Depends on the amount of substances present

Answer 10

Extensive Property

Question 11

Do not depends on substance present

Answer 11

Intensive Property

Question 12

Ionized gas

Answer 12

Plasma

Question 13

State achieved at extremely low temperature

Answer 13

Bose-Einstein Condensate

Question 14

Part of atom with positive charge

Answer 14

Proton

Question 15

Part of atom with no charge

Answer 15

Neutron

Question 16

Part of atom with negative charge

Answer 16

Electron

Question 17

Group of atom that held together by chemical bonds

Answer 17

Molecules

Question 18

Smallest unit of an element that retains its chemical properties

Answer 18

Atom

Question 19

Represent the types and number of atoms in molecule (e.g. H2O)

Answer 19

Molecular Formula

Question 20

Represent the average mass of an element

Answer 20

Atomic mass

Question 21

Determined by sum of protons and neutrons

Answer 21

Atomic mass

Question 22

Represents the number of protons in an atom

Answer 22

Atomic number

Question 23

He formulate a theory about atom

Answer 23

John Dalton

Question 24

____ are composed of small particles called “atoms”

Answer 24

“Elements” under John Dalton’s Theory

Question 25

Rearrangement of atom

Answer 25

Chemical Reaction

Question 26

Rearrangement of atom

Answer 26

Chemical Reaction

Question 27

___ of an element are identical, having same propeties

Answer 27

Atom under John Dalton Theory

Question 28

Atoms that have same no. of protons have but different no. of neutrons

Answer 28

Isotopes

Question 29

The period table element of elements are composed of?

Answer 29

Stable Isotopes

Question 30

Law that refers to the ratio of the masses of one element

Answer 30

Law of multiple proportions

Question 31

This law states that atom retain its chemical composition before and after it undergo a chemical change

Answer 31

Law of Conservation of Mass

Question 32

What is the formula cited in the law of definite composition

Answer 32

The quotient of quantity (Mass of specific element divide by the total mass of compound) multipled by 100

Question 33

What is the formula for atomic mass of an Isotopes

Answer 33

Summation of % abundance+atomic weight of each Isotopes

Question 34

Unit for Atomic Weight

Answer 34

Amu(Atomic Mass Unit)