Chapter 4 Review

Atomic Theory

100

Who created the first atomic theory, which states that all elements are made of small particles called atoms?

Democritus

200

This scientist discovered the nucleus, which is made of protons and neutrons, during his famous Gold Foil Experiment.

Rutherford

300

This scientist discovered electrons while studying static electricity and created the "Plum Pudding" model of an atom. 

Thomson

400

This scientist created the Bohr Model, where the atom has a positive nucleus with electrons in fixed orbitals.

Bohr

500

This is the currently accepted model of atomic theory, wherein the nucleus is made of protons and neutrons with electrons on a cloud/shell. 

Electron Cloud Model 

Parts of Atom

100

What subatomic particle has a relative weight of 1 and positive charge. 

Proton 

200

What subatomic particle has a relative weight of 0 and a negative charge?

Electron 

300

What subatomic particle has a relative weight of 1 and a neutral charge?

Neutron 

400

How do you find the number of nuetrons?

Atomic mass - atomic number

or

Atomic mass - # of protons

500

The nucleus is made of which subatomic particles?

Protons and Neutrons

Periodic Table 1

100

Name the group number and the element type of the element Radon.

Group 18, Noble Gas

200

Give the number of Protons, Neutrons, and Electrons in the element Aluminum. 

Protons-13

Neutrons-14

Electrons-13

300

Name the group number and the element type of the element Potassium. 

Group 1, Alkali Metal

400

How many valence electrons are in the element Oxygen?

6 Valence Electrons

500

Name the group number, period number, and type of element for the element Zinc. 

Group 12, Period 4, Transition Metal

Periodic Table 2

100

Name the group number and the element type of the element Cobalt.

Group 9, Transition Metal

200

How many electron shells would the element Titanium have?

4 Electron Shells

300

How many electron shells would the element Neptunium have?

7 electron shells. 

400

How many electron shells would the element Gold have?

6 electron shells. 

500

Name the group number, period number and the element type of the element Lead.

Group 14, Period 6, Carbon Group

Ionic and Covalent

100

Name the following compound: BF₃

Boron triflouride 

200

What is the formula for the following compound: Dinitrogen tetrachloride 

N₂Cl₄

300

Name the following compound: H₂O

dihydrogen monoxide 

400

What is the formula for the following compound: Carbon monoxide

CO

500

Name the following compound: SO₃

Sulfur trioxide