Matter

Question 1

Anything that occupies space and has mass.

Answer 1

Matter

Question 2

The sequence of matter

Answer 2

Matter-Atoms-Atomic Nucleus- (Proton + Neutrons) - Nucleons

Matter-Atoms-Electron Shell-Electrons

Question 3

Collective term for protons and neutrons are the particles found in the nucleus of atoms.

Answer 3

Nucleons

Question 4

Classification of Matter

Answer 4

Element
Compound
Mixture

Question 5

What is an element?

Answer 5

➢simplest form
➢ one (1) kind of material
➢PURE chemical substance

Question 6

What is a compound?

Answer 6

➢ 2 or more elements are chemically combined in definite proportion

Question 7

What is a mixture?

Answer 7

➢2 or more substances that are not chemically combined
➢individual identities are retained

Question 8

Classification of Mixture

Answer 8

Homogeneous
Heterogeneous

Question 9

Homogeneous

Answer 9

1 phase solution

Question 10

Heterogeneous

Answer 10

2 phases: suspension and colloids

Question 11

Properties of Matter

Answer 11

Extrinsic/ Extensive Property
Intrinsic / Intensive Property

Question 12

Extrinsic/ Extensive Property definition and examples

Answer 12

Dependent

Length, mass/weight, volume, entropy, enthalpy, electrical resistance

Question 13

Intrinsic / Intensive Property definition and examples

Answer 13

Independent

Density, specific gravity, viscosity, temperature, pressure, color, odor, velocity, refractive index

Question 14

What is the shape, volume, and molecular motion of solid?

Answer 14

Shape: Definite
Volume: Definite
Motion of Solid: Vibration but cannot move

Question 15

What is the shape, volume, and molecular motions of liquid?

Answer 15

Shape: Indefinite
Volume: Definite
Molecular Motion: Gliding

Question 16

What is the shape, volume, and molecular motion of gas?

Answer 16

Shape: Indefinite
Volume: Indefinite
Molecular Motion: Random and constant (Vibrate freely at high speed)

Question 17

What is the shape, volume, and molecular motion of plasma?

Answer 17

Shape: Indefinite
Volume: Indefinite
Molecular Motion: Random and constant (Vibrate freely at high speed)

Question 18

It is the most abundant state of matter and electrically conductive.

Answer 18

Plasma

Question 19

Give examples of plasma

Answer 19

Sun, Stars, Aurora, Neon lights, Lightning

Question 20

What are the changes of matter?

Answer 20

Physical
Chemical
Nuclear

Question 21

Solid-Liquid

Answer 21

Melting

Question 22

Liquid-Solid

Answer 22

Freezing

Question 23

Liquid-Gas

Answer 23

Evaporation

Question 24

Gas-Liquid

Answer 24

Condensation

Question 25

Gas-Plasma

Answer 25

Ionization

Question 26

Plasma-Gas

Answer 26

Deionization

Question 27

Solid-Gas

Answer 27

Sublimation

Question 27

Solid-Gas

Answer 27

Sublimation

Question 28

Gas-Solid

Answer 28

Deposition

Question 29

What is the evidence of chemical change?

Answer 29

Formation of a precipitate Evolution of gas

Question 30

What are the types of chemical reaction?

Answer 30

Direct Union/Synthesis Decomposition Single Displacement Double Displacement

Question 31

Generic equation of synthesis

Answer 31

A + B →AB

Question 32

Generic equation of decomposition

Answer 32

AB →A + B

Question 33

Generic equation of single displacement

Answer 33

A + BC →AC + B

Question 34

Generic equation of double displacement

Answer 34

AB + CD →AC + BD

Question 35

What are the nuclear changes of matter?

Answer 35

Fission and Fusion

Question 36

Fission means ____

Answer 36

Splits

Question 37

Fusion means _____

Answer 37

Union

Question 38

P or C 1. Shredding of paper 2. Bending a metal 3. Formation of a precipitate 4. Mixing candles 5. Burning of wood

Answer 38

P P C P C

Question 39

Composed of nucleus, and surrounded by electrons

Answer 39

Atoms

Question 40

Nucleus

Answer 40

➢Neutron- uncharged ➢Proton- (+) charge

Question 41

Electron Shell

Answer 41

➢Electrons- (-) charge

Question 42

How to get the mass number?

Answer 42

Protons + Neutrons

Question 43

How to get the atomic number?

Answer 43

Number of protons

Question 44

How to get the electrons?

Answer 44

Atomic number and its charge

Question 45

How to get the neutrons?

Answer 45

Mass number - # of protons

Question 46

Who proposed the planetary model?

Answer 46

Neil Bohr

Question 47

Quantitative description of electronic structure and electrons orbit in a positively charged nucleus

Answer 47

Planetary Model

Question 48

Who is the founder of QUANTUM MECHANICAL MODEL?

Answer 48

Erwin Schrodinger

Question 49

Electrons move in a 3D space called ELECTRON CLOUD which represents the probable location of electron

Answer 49

Quantum Mechanical Model

Question 50

Schrodinger “Quantum model” asserts that electromagnetic radiation like x-rays, gamma rays, radio waves and light rays are made up of small bits of energy. What quantum number gives the orbital angular momentum and describes the shape of the orbital? a. Principal quantum number b. Azimuthal quantum number c. Magnetic quantum number d. Spin quantum number

Answer 50

B.

Question 51

Four types of Quantum Numbers

Answer 51

Principal (n) Angular/ Azimuthal (l) Magnetic (ml) Spin (ms)

Question 52

According to this electron principle, no two electrons will have the same set of quantum number A. Aufbau principle B. Pauli’s Exclusion Theory C. Heisenberg’s Uncertainty Theory D. Hund’s rule

Answer 52

B

Question 53

Built by filling of energy from lower to higher level.

Answer 53

AUFBAU PRINCIPLE

Question 54

No two electrons will have the same set of quantum numbers.

Answer 54

PAULI EXCLUSION

Question 55

Orbitals are filled up singly before pairing up.

Answer 55

HUND’S RULE

Question 56

Ability to attract electrons

Answer 56

Electronegativity (EN)

Question 57

What is the most electronegative? S,P,D,F?

Answer 57

F

Question 58

Energy required to remove electron in a neutral atom to make it positive (+)

Answer 58

Ionization Energy

Question 59

energy released when a neutral atom gain extra electron to make it negative (-)

Answer 59

Electron Affinity (EA)

Question 60

Left to Right. Increasing or Decreasing?

Answer 60

Increasing

Question 61

Bottom to Top. Increasing or decreasing?

Answer 61

Increasing

Question 62

Half of the distance between two nuclei

Answer 62

Atomic Radius (AR)

Question 63

Francium: most metallic

Answer 63

Metallic Character