lesson 2-5 science

Question 1

Describes how electrons are distributed in the different orbital around the nucleus of an atom.

Answer 1

Electron Configuration

Question 2

-The area where electrons are located in an atom

Answer 2

ENERGY LEVEL

Question 3

-A division of an energy level that are denoted by the letters: s, p, d or f.

Answer 3

SUBLEVEL OR SUBSHELL

Question 4

-Space in atom occupied by electrons and are classified by their shape.

Answer 4

ORBITALS

Question 5

S, full name and shape

Answer 5

Sharp, spherical

Question 6

P full name and shape

Answer 6

Principal,Dumbbell

Question 7

D full name and shape

Answer 7

DIffuse, complex shapes

Question 8

F full name and shape

Answer 8

Fundamental Complex shapes

Question 9

-Also called the Building-Up Principle, states that electron’s occupy orbitals in order of increasing energy.

Answer 9

AUFBAU PRINCIPLE

Question 10

-States that when electrons occupy a sublevel with more than one orbital, they must first occupy the empty orbitals before pairing up with them.

Answer 10

HUND’S RULE

Question 11

-States that NO more than two electrons can occupy the same orbital and two electrons in the same orbital must have OPPOSITE spins.

Answer 11

PAULI’S EXCLUSION PRINCIPLE

Question 12

The electrons occupying the outermost shell or highest Energy level of an atom that are not filled

Answer 12

VALENCE ELECTRON

Question 13

Electrons occupying the innermost shell or lowest Energy levels

Answer 13

CORE ELECTRON

Question 14

A shorthand way to represent the valence electrons of an atom using Dots, named after Gilbert Newton Lewis.

Answer 14

Lewis Electron Dot Structures (LEDS)

Question 15

Also known as Wave Mechanical Mod- It is developed by Louie de Broglie, Erwin Schrodinger and Werner Karl Heisenberg.

Answer 15

Quantum Mechanical Model

Question 16

A set of values that can describe the position and energy of the electron in an atom

Answer 16

Quantum Numbers

Question 17

-Designates the Energy Level of each atomic orbital in which the electron
moves.

Answer 17

PRINCIPAL QUANTUM NUMBERS

Question 18

-Describes the shape of a given orbital and depends on the principal Quantum number.

Answer 18

AZIMUTHAL QUANTUM NUMBERS

Question 19

-The number of orbitals and their orientation within a subshell.
- The value of ml is dependent on the value of (. For a given value of l, the value of ml ranges between the interval -I to +1 including 0.

Answer 19

MAGNETIC QUANTUM NUMBERS

Question 20

-The direction of the electron spin and may have a spin of +1/2 represented by ↑, or -1/2, represented by down arrow

Answer 20

. ELECRON SPIN QUANTUM NUMBERS

Question 21

A force of attraction between atoms or ions that joins them together to form COMPOUNDS.
Happens in Valence Shell until it attains a STABLE number of V.E of 8

Answer 21

Chemical Bonding

Question 22

States that elements gain, lose or share electrons to achieve Eight electrons only in their full outer shells. Furthermore, the atom does this by bonding with each other.

Answer 22

OCTET RULE

Question 23

• a substance made up of two or more different elements combined in a fixed ratio

Answer 23

COMPOUNDS

Question 24

Transfer of electron between metallic and nonmetallic elements.

Answer 24

IONIC BOND

Question 25

Sharing of electron between two or more nonmetallic elements.

Answer 25

COVALENT BOND-

Question 26

ROOT NAMES Hydrogen

Answer 26

Hydr

Question 27

ROOT NAMES Fluorine

Answer 27

FLuor

Question 28

ROOT NAMES Chlorine

Answer 28

Chlor

Question 29

ROOT NAMES Iodine

Answer 29

Iod

Question 30

ROOT NAMES Oxygen

Answer 30

Ox

Question 31

ROOT NAMES Sulfur

Answer 31

Sulf

Question 32

ROOT NAMES Bromine

Answer 32

Brom

Question 33

ROOT NAMES Carbon

Answer 33

Carb

Question 33

ROOT NAMES Nitrogen

Answer 33

Nitr

Question 34

ROOT NAMES Phosphorous

Answer 34

Phosph