Matter and Atoms Review

All About The Facts

100

Who studies matter?

Chemists 

200

Where are protons and neutrons found in an atom?

Nucleus 

300

What is the formula that helps you determine how many electrons are allowed to fill each shell of an atom?

2n²

400

Name 3 jobs that require chemistry and explain how you know.

Chemistry requires an understanding of how one state of matter changes to another and/or an understanding of how chemicals are used and interact with other matter.

Ice-cream maker: changing liquid to solid

Chef: steam requires liquid to change to gas

Baker: changing liquid to solid (baking a cake)

Farmer: Needs to know what different pesticides and herbicides do on the farm.

500

What element is in every living thing?

Carbon

Vocabulary

100

What is matter?

Tiny particles made up of atoms.

200

What is an atom?

The  basic building blocks of all matter. They contain a nucleus, protons, neutrons, electrons, and electron shells. 

300

Define chemistry.

The study of matter and its states (solid, liquid, gas).

400

Define what an element is.

An element is a unique type of atom.

500

Atoms come from a Greek word that means_____

Uncutable 

Types of Atoms

100

Is this atom neutral, positive, or negative?

Neutrons:23

Protons:8

Electrons:8

Neutral

200

Is this atom neutral, positive, or negative?

Neutrons: 0

Electrons: 23

Protons: 5

Negative

300

Draw a positive atom with 2 full shells.

-There needs to be more than 10 protons inside the nucleus. 

-It does not matter how many neutrons there are.

-Shell 1: 2e-

-Shell 2: 8e-

400

Explain how you know if an atom is positive, negative, or neutral.

A positive atoms has more protons than electrons, a negative atom has more electrons than protons, and a neutral atoms as the same number of electrons and protons.  

500

All elements on the periodic table are ___________.

Neutral

Drawing Bohr's Model

100

Neon

Protons:10

Neutrons:10

Electrons:10

Shell 1: 2e-

Shell 2: 8e-

200

Calcium

Protons:20

Neutrons:20

Electrons:20

Shell 1: 2e-

Shell 2: 8e-

Shell 3: 10e-

300

Titanium

Protons:22

Neutrons:26

Electrons:22

Shell 1: 2e-

Shell 2: 8e-

Shell 3: 12e-

400

Zirconium

Protons:40

Neutrons:50

Electrons:40

Shell 1: 2e-

Shell 2: 8e-

Shell 3: 18e-

Shell 4: 12e-

500

Thorium

Protons:90

Neutrons:142

Electrons:90

Shell 1: 2e-

Shell 2: 8e-

Shell 3: 18e-

Shell 4: 32e-

Shell 5: 30e-

Calculations

100

Using the formula 2n² what is the maximum number of electrons that can be on the 6th shell?

72 electrons.

200

Use the formula 2n²:

How many electrons are there in total if an atom as 3 shells.

28 electrons

300

What is the maximum amount of electrons that can be on the 8th shell?

128 electrons

400

How many electrons are there in total if an atom has 4 shells?

60 electrons 

500

How many electrons are there in total if an atom has 6 shells?

182 electrons