Chapter 1

Question 0

Matter

Answer 0

Any thing that has a mass and occupies space

Question 1

Chemistry

Answer 1

The study of matter

Question 2

Types of matter

Answer 2

Solids

liquids

Gases

Question 3

What is Matter composed of ?

Answer 3

Atoms & Molecules

Question 4

How many Element do we know of?

Answer 4

114 Named
4 unNamed
118 Total

Question 5

Amorphous

Answer 5

Atoms or molecules do not have any long-range order

Example
*glass and plastic

Question 6

Crystalline

Answer 6

Atoms and molecules are arranged in patterns with long-range repeating order.

Example
* table salt and Diamonds

Question 7

Pure Substance

Answer 7

A substance composed of only a single type of atom or molecule.

Example
*hydrogen

Question 8

Mixture

Answer 8

A substance composed if two or more different types of atoms or molecules that can be combined.

Example
H2O (Water)

Question 9

John Dalton

Answer 9

Proposed the atomic Theory

Law of multiple Proportions

Question 10

Developed a Scanning Tunneling Microscope

Answer 10

Binnig and Robert

Question 11

Law of conservation and mass

Answer 11

Antoine Lavoisier

In a chemical reaction matter is neither created nor destroyed

Question 12

Law of Definite Proportions

Answer 12

All samples of a given compound, regardless of their source or how they are prepared,have the same proportions of their constituent element

Question 13

Law of multiple proportions

Answer 13

When to elements (calling them A&B)form two different compounds The mass of element B that combined with 1 g of element A can be expressed as a ratio of small whole numbers

Question 14

J J Thomson

Answer 14

Did Cathode Rays experiment

Discovered the Electron

Question 15

Robert Millikan

Answer 15

Oil drop experiment

Found the change of a single electron (-1.60x10^-19C)