History of Chemistry
Parts of an Atom
Bohr Modeling
What is Matter?
Random (wave/ions/isotopes)
100
Early people were producing these types of changes even though they didn't know what was happening. For example - extracting metals from ores and making jewelry.
chemical
100

Carbons atomic number is 

6

100

How many electrons can be in the n=1 electron shell?

2

100
This is anything that takes up space (has a mass).
matter
100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200
People thought you could turn iron and lead into what?
gold
200
These particles have a positive charge and are found inside the nucleus.
proton
200

How many electrons can be in the n=2 electron shell?

8

200
The smallest pieces of matter are called __________.
atoms
200

The mathematic term that describes the relationship between wavelength and frequency. 

inverse relationship 

300
The earliest form of chemistry was called _______.
alchemy
300
These particles are located within the nucleus, and have no charge.
Neutron
300

Outer electron shells have a lower energy than the n=1 electron shell.

 (T/F)

False 
300
What type of particle holds the protons and neutrons together in the nucleus?
mesons
300

which wavelength will have a higher energy? Wavelength 1: 300 nm or Wavelength 2: 750 

Wavelength 1 

400
Names for elements comes from the English or __________ name.
latin
400
This number on the periodic table describes the number of protons and neutrons in an atom.

Atomic Mass 

400

How many bonds can a magnesium atom make? (hint: valence shell electrons)

6

400
Up, Down, Strange, Charm, top and bottom are all names for what type of particle?
quarks
400

Some atoms have more _______, than protons, making them an isotopes 

Neutrons 

500
People first realized that an atom had a proton and an electron in which decade?
10's
500
Most of the mass of an atom is located here.
nucleus
500

How many valence electrons does Neon (Ne) have?

8

500
What type of particle are quarks held together by?
gluons
500

Some atoms have more ___________, which makes it an ion and gives it a negative charge

electrons

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