SCIENCE

Question 1

how electrons are distributed in atomic orbital.

Answer 1

Electron Configuration -

Question 2

Uses of Electron Configuration

Answer 2

⦁ Determining the valency of an element
⦁ Predicting the properties of a group of element
⦁ Interpreting Atomic Spectra

Question 3

refer to the trends or patterns in the properties of elements

Answer 3

periodic trend

Question 4

is the distance between the nucleus and the outermost electron

Answer 4

Atomic radius

Question 5

is the distance from the nucleus to the outer edge of the electron cloud of an ion.

Answer 5

Ionic radius

Question 6

is required to remove an electron from an atom

Answer 6

Ionization energy

Question 7

is the measure of the ability to attract electrons towards itself

Answer 7

Electronegativity

Question 8

it is an ability of an atom to accept electron

Answer 8

Electron affinity

Question 9

is referred to as the element’s atom may lose

Answer 9

Metallic character

Question 10

considered the smallest particle of matter

Answer 10

atom

Question 11

representation of what an atom could look

Answer 11

atomic model

Question 12

Atoms as solid spheres, which he believed had four characteristics

Answer 12

John Dalton,

Question 13

Discover electrons from his observation in his cathode ray tube

Answer 13

⦁ Joseph John Thompson / jj thomson

Question 14

discovered the nucleus and the proton

Answer 14

Ernest Rutherford

Question 15

atom consists of a dense core

Answer 15

Nucleus

Question 16

positively charge particle

Answer 16

Proton

Question 17

electrons surround the nucleus

Answer 17

Nuclear model

Question 18

nucleus in fixed circular orbits known as energy level

Answer 18

Planetary model