Chemistry Jeopardy

Chemistry Vocab

100

Protons and Neutrons are found in the center of an atom. What is that center called? 

Nucleus

200

Molecules are made up of more than one atoms. They are connected by what?

bonds

300

What kind of bond is formed when nonmetal atoms share electrons? 

Covalent

400

What kind of bond is formed when a nonmetal atom takes electrons from a metal atom? 

Ionic

500

If an atom is Face-Centered Cubic in its structure, does that make it easier or harder to work with (bend, twist, mold, etc.)?

Easier to work with

Atoms

100

How many protons and electrons does a neutral Neon atom have?

10

200

What period and group is oxygen in?

Period 2, Group 16

300

How many neutrons does neutral Aluminum atom have?

14

400

How are atoms in a solid arranged and how do they move? 

Tightly packed and vibrate in place

500

Is a single Hydrogen atom stable?

No, it usually is paired with another hydrogen atom, making H₂. 

Molecules

100

How many hydrogen atoms are in 1 molecule of water (H₂O)?

2

200

How many total atoms are in a molecule of Carbon Dioxide (CO₂)?

3

300

Here is the chemical symbol for a molecule of caffeine: C₈H₁₀N₄O₂.

How many total atoms are there in 1 molecule of caffeine?

24

400

How many carbon atoms would be in 3 molecules of this sugar: C₆H₁₂O₆ ?

18

500

Look at the chemical equation for photosynthesis. What is the missing number? 

6 CO_{2 + ____} H₂O --> C₆H₁₂O₆ + 6 O₂

6

Chemical vs. Physical Changes

100

Is cracking an egg to make a recipe a chemical or physical change? 

Physical

200

Is toasting marshmallows a physical or chemical change? 

Chemical 

300

Is mixing sugar, lemon juice, and water (lemonade) a physical or chemical reaction? 

Physical 

400

Is melting sugar on a creme brulée a physical or chemical change? 

Chemical

500

Is burning a candle a physical or chemical change? 

It's both!

Fire Chemistry

100

What are the 3 legs of the fire triangle that must come together with a chemical reaction to start a fire? 

Fuel, heat, and oxygen

200

What are the reactants in a fire chemical reaction? 

Fuel (carbon and hydrogen), oxygen, and a source of heat

300

What are the products in a fire chemical reaction (combustion)? 

Water and Carbon Dioxide 

(Heat and Light can also count)

400

How does water put out a fire? 

It takes away heat to make steam. The steam then pushes oxygen out of the way and fire goes out.

500

What is another way to put out a fire (besides water)? 

Some examples: closing off fire from oxygen, CO₂