Unit 6 1.1-1.2

Question 1

The organized study of the composition an interaction of matter

Answer 1

Chemistry

Question 2

Proposed the atomic theory

Answer 2

John dalton

Question 3

Composed of single typed atoms

Answer 3

Elements

Question 4

Composed of more than one type of atom

Answer 4

Compounds

Question 5

Groups of atoms linked together

Answer 5

Molecule

Question 6

Physical combinations of elements and compounds

Answer 6

Mixtures

Question 7

Metal mixtures

Answer 7

Alloys

Question 8

In this system each element is given a unique abbreviation or

Answer 8

Chemical symbol

Question 9

Atoms are composed of still smaller particularly called

Answer 9

Subatomic particles

Question 10

The dense center core

Answer 10

Nucleus

Question 11

Subatomic particles found in the nuclei

Answer 11

Nucleons

Question 12

A positive electrical charge

Answer 12

Proton

Question 13

The number of protons in the nucleus in the atoms

Answer 13

Atomic number

Question 14

Electrically neutral

Answer 14

Neutron

Question 15

Atoms that are the same element but have different numbers of buttons

Answer 15

Isotopes

Question 16

Composes neutrons and protons

Answer 16

Quarks

Question 17

Quarks are needed to make what

Answer 17

A neutron or a proton

Question 18

Quarks are held together by

Answer 18

Color force

Question 19

Negative charge

Answer 19

Electrons

Question 20

Electrons are arranged in concentric layers hat surround he nucleus each layer is called

Answer 20

Electron shell

Question 21

And atom with an electrical charge

Answer 21

Ion

Question 22

Negative ion

Answer 22

Anion

Question 23

Positive charge

Answer 23

Cation

Question 24

He total number of protons and neutrons in the nucleus

Answer 24

Mass number

Question 25

Because atoms are so small he masses of atoms are usually measured in

Answer 25

Atomic mass units

Question 26

Quantum theory

Answer 26

Tiny practicals such as electrons do not flow. Rather energy is always absorbed or realized in a descents packet called a quantum

Question 27

Bohr model

Answer 27

Most familiar model Pictures he nucleus surrounded be electrons that move in a circle orbit at specific energy levels

Question 28

Wave mechanical model

Answer 28

Explained some puzzling things of atomic structures

Question 29

Heiden berg uncertainty principle

Answer 29

Electrons are too tiny to pin down and study.

Question 30

The over all motion of each electron can be mathematically represented by

Answer 30

Quantum numbers

Question 31

Pauli exclusion principle

Answer 31

No two electrons in an atom can have the same four quantum numbers