Parts of an Atom
Atomic Theory
Elements and Compounds
Atomic Numbers
Facts about Atoms
100

These particles are negatively charge and are found outside the nucleus.

What are electrons?

100

The first model of the atom, by John Dalton, was named after this sport's ball because of its compact nature. 

What is the Billiard Ball model?

100

Give an example of an element using its name and symbol. 

Answers may vary. H - Hydrogen, O - Oxygen, He - Helium, Mg - Magnesium, etc.

100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
100

If an atom was enlarged so the electrons were spinning around the stands of a football stadium, the nucleus be the size of this

What is a marble or something similar?

200

These particles have a positive charge and are found inside the nucleus.

What are protons?

200

J.J.Thompson's model look like this fruit pudding because of the position of the electrons. 

What is Plum pudding? 

200

The following is an example of a

NaSO4

What is a compound?

200
Carbon's atomic number is _______.
6
200

Atoms are filled mostly with this

What is empty space? 

300

These particles are located within the nucleus, and have no charge.

What are neutrons?

300

This scientist used gold foil to discover the dense nucleus of an atom.

Who is Ernest Rutherford? 

300

Pure substances include these two types of matter

What are elements and compounds?

300

How many neutrons are in Nitrogen?

14-7=7

300

There are this many unique atoms 

What is 118?

400

The inner part of an atom that contains the proton and the neutron is called the __________.

What is the nucleus?

400

The atomic theory has changed over time due to this

What is new scientific evidence from experiments and advancements in technology. 

400

List the following from smallest to largest

Element, proton, compound, electron

What is 

electron --> proton --> element --> compound

400
Why does hydrogen have an atomic number of 1?
because it only has one proton
400

Atomic theory is a theory and not a law because

What is it describes why atoms are the basic unit of all matter and is based on years of evidence and scientific investigation?
500

Location of the electrons 

What is the electron cloud?

500

The change to the Quantum model was important because

What is it showed the unpredictable behavior of the electrons more accurately? (or something similar to this)

500

The difference between compounds and molecules

What is molecules are two or more atoms of any element bonded together, compounds are created by different elements bonded together?

500

The number of electrons of a neutral atom that has an atomic number of 12.

What are 12 electrons?

500

The difference between atoms of a solid, liquid, and gas is

What is the energy and and space between particles?

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