Matter

Question 1

Anything that has mass and occupies space.

Answer 1

Matter

Question 2

Simplest form and is a pure chemical substance

Answer 2

Element

Question 3

2 or more elements are chemically combined in definite proportion

Answer 3

Compound

Question 4

2 or more substances that are not chemically combined

Answer 4

Mixture

Question 5

Its individual identities are retained

Answer 5

Mixture

Question 6

1 phase solution

Answer 6

Homogenous

Question 7

2 phases which are suspension and colloids

Answer 7

Heterogenous

Question 8

Properties of Matter

Answer 8

Extrinsic/ Extensive Property – dependent and Intrinsic / Intensive Property– independent

Question 9

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

Answer 9

Intrinsic / Intensive Property– independent

Question 10

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

Answer 10

Extrinsic/ Extensive Property – dependent

Question 11

States of Matter:

Answer 11

Solid, Liquid, Gas and Plasma

Question 12

Most abundant state of matter and is electrically conductive

Answer 12

Plasma

Question 13

In the shape or size/form of the substance

Answer 13

Physical Change

Question 14

Changes in the composition of the substance

Answer 14

Chemical Change

Question 15

Types of Chemical Reactions

Answer 15

Direct Union/Synthesis
Decomposition
Single Displacement
Double Displacement

Question 16

Nuclear Changes of Matter

Answer 16

Nuclear Fission and Nuclear Fusion

Question 17

It Splits

Answer 17

Nuclear Fission

Question 18

Union

Answer 18

Nuclear Fusionion

Question 19

Composed of nucleus, and surrounded by electrons

Answer 19

Atom

Question 20

Uncharged

Answer 20

Neutron

Question 21

Positive Charge

Answer 21

Proton

Question 22

Negative Charge

Answer 22

Electron

Question 23

How to get mass number

Answer 23

Proton + Neutron

Question 24

Atomic number = ?

Answer 24

Number of Protons

Question 25

Created the planetary model

Answer 25

Neil Bohr

Question 26

Quantitative description of electronic structure Electrons orbit in a positively charged nucleus

Answer 26

Planetary Model

Question 27

Created the Quantum Mechanical Model

Answer 27

Erwin Schrodinger

Question 28

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

Answer 28

Quantum Mechanical Model

Question 29

What quantum number gives the orbital angular momentum and describes the shape of the orbital?

Answer 29

Azimuthal Quantum Number

Question 30

Region of space in which electrons are most likely to be found.

Answer 30

Orbitals

Question 31

Built by filling energy from lower to higher level.

Answer 31

Aufbau Principle

Question 32

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

Answer 32

Pauli Exclusion

Question 33

Orbitals are filled up singly before pairing up.

Answer 33

Hund's Rule

Question 34

Impossible to predict the exact location and momentum of an electron

Answer 34

Heisenberg Uncertainty

Question 35

Ability to attract electrons

Answer 35

Electronegativity

Question 36

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

Answer 36

Ionization Energy

Question 37

Energy released when a neutral atom gains extra electron to make it negative

Answer 37

Electron Affinity

Question 38

Half of the distance between two nuclei

Answer 38

Atomic Radius

Question 39

What quantum number gives the orbital angular momentum and describes the shape of the orbital?

Answer 39

Azimuthal Quantum Numbe