General

Question 1

Everything (except light) is made out of extremely small, tiny bits called

Answer 1

Atoms

Question 2

What do atoms do?

Answer 2

Atoms attach to each other, or bond together. Together, atoms make everything we know

Question 3

Performed the Gold Foil Experiment

Answer 3

Ernest Rutherford

Question 4

First found evidence that atoms exist

Answer 4

John Dalton

Question 5

First came up with the idea of atoms

Answer 5

Democritus

Question 6

Experimented with cathode Ray Tubes

Answer 6

JJ Thomson

Question 7

First to realize the electrons can only orbit in specific locations called shells

Answer 7

Niels Bohr

Question 8

First discovered electrons

Answer 8

JJ Thomson

Question 9

Discovered the nucleus

Answer 9

Ernest Rutherford

Question 10

Elements within the same group tend to share

Answer 10

Similar properties

Question 11

How many valence electrons does Silicon have?

Answer 11

4

Question 12

What is the total number of electrons that Calcium “wants” to have?

Answer 12

18

Question 13

Gave us the first experimental evidence of that atoms exist with the Law of Multiple Proportions

Answer 13

John Dalton

Question 14

First came up with the idea that atoms are tiny, uncuttable pieces

Answer 14

Democritus

Question 15

Define Valence Electrons

Answer 15

An electron in the outer shell of an atom which can combine with other atoms to form molecules.

Question 16

True or False
A scientific model is a simplified representation of something that can help you explain or understand what it represents. While you can use the model to make predictions, the model itself is never a perfect representation.

Answer 16

True

Question 17

Reactant(s)

Answer 17

substance or compound that is added to a system in order to bring about a chemical reaction, or added to see if a reaction occurs

Question 18

Ionic Bond

Answer 18

a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.

Question 19

Ionic Compound

Answer 19

a chemical compound in which ions are held together in a lattice structure by ionic bonds.

Question 20

Dissolve

Answer 20

Process of making 2 compounds into a homogeneous mixture

Question 21

Solube

Answer 21

A substance that can dissolve in a given liquid (not always water)

Question 22

Insoluble

Answer 22

Substance that can NOT dissolve in a liquid

Question 23

Crystal

Answer 23

Material whose particles (atoms, models, or ion) are arranged in order and egometric pattern