# Welcome to Jeopardy!.

## Presentation on theme: "Welcome to Jeopardy!."— Presentation transcript:

Welcome to Jeopardy!

Atomic Structure and Periodic Table:
Jeopardy Review Game

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This is the positively charged particle found in the nucleus.

What is proton? home

This is the negatively charged particle that Thomson called “corpuscles”

What is electron? home

Both of these particles have a mass of 1 atomic mass unit (amu) each.

What are protons and neutrons?
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This force is the force of attraction that is responsible for keeping the electrons around the outside of the nucleus.

What is the electromagnetic force?
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This force is responsible for overcoming the repulsion of the electromagnetic force and keeping the protons together in the nucleus.

What is the strong force?
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This number describes the number of protons in an atom

What is atomic number? home

This describes where electrons are found.

What is the electron cloud? (or energy levels)
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This describes the electron arrangement by energy level.

What are the K,L,M,N,O,P,Q energy levels?
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This describes what all atoms want to be “happy”.

What is a full outer shell?
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This is an awesome light show caused by the atoms of the atmosphere getting their electrons “excited” by high energy particles from the sun. It happens near the poles due to the magnetic field of the Earth being thinner there.

What is Aurora Borealis (northern lights)
What is Aurora Borealis (northern lights)? Or Aurora Australis (southern lights)? home

For an atom to be neutral, this must be true.

What is having the same number of protons and electrons?
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Isotopes of hydrogen differ by this.

What is the number of neutrons in the nucleus?
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Carbon – 14 differs from Carbon – 12 by this.

What is C-14 has 2 more neutrons than C-12?
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If an atom gains 2 electrons, it’s charge becomes this.

What is -2? home

If an atom loses 4 electrons, does the hoky poky, turns itself around, and gains 2 electrons back; this is the charge. (Note: atoms can not do the hoky poky or turn themselves around, and lastly they either gain or lose electrons – not both)

What is a +2? home

This is why the Noble Gases are snobs.

What is they have a full outer shell?
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What do the Alkali Metals have in common?

What is they all have 1 valence electron?
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This is why certain elements are in the same group.

What is that they have similar properties and oxidation numbers?
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This family consists of 2 gases, 1 liquid, and 2 solid elements (at room temperature).

What is the Halogens? home

These two groups are the most reactive.

What are the Alkali Metals and Halogens?
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This describes the relative density of the Noble Gases.

What is they get more dense as you go down the group?
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This Russian chemist organized the elements by their properties and even predicted the existence of three unknown elements.

Who is Dmitri Mendeleev?
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This describes the reactivity of the Alkali Metals.

What is they get more reactive as you go down?
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This is the pattern of valence electrons.

What is the groups go from 1 – 8 (full)?
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This young scientist organized the table according to the atomic numbers and is our present organization of the Periodic Table.

Who is Henry Mosely? home

This is how the oxidation number of an element is determined.

What are the number of valence electrons and thus how many electrons will be gained or lost?