Periodic Table
Periodic Trends
Element Identification
Endothermic vs Exothermic
Physical & Chemical Property & Change
100
What number tells you the number of protons and electrons?
Atomic Number
100
What is the 'brain' of the atom?
Nucleus
100
What is the name of element number 1?
Hydrogen
100

What kind of reaction feels cold to the touch?

Endothermic

100

The apple is red. Is it a physical or chemical property?

Physical Property

200

How many periods does the periodic table have?

7

200

What particle has a positive charge?

Proton

200
What element has 17 electrons?
Chlorine
200

What kind of reaction feels hot to the touch?

Exothermic

200

When I take a piece of paper and burn it to ash, is it a chemical property or change?

Chemical change

300

How many groups does the periodic table have?

18

300
What particle has no charge?
Neutron
300

What element's symbol is K?

Potassium

300

Fireworks are an example of an _____________ reaction because...

Exothermic because they give off or release HEAT

300

A physical change is...

A physical change is when a substance's physical properties, such as shape, size, color, and state of matter change.

400
How do you find an element's atomic mass?
Add the number of neutrons and the number of protons together
400
What particle has a negative charge?
Electron
400
What element has the symbol Xe?
Xenon
400

What is the definition of an exothermic reaction?

A chemical reaction that gives off / releases heat.

400

What is the evidence of a chemical change?

Chemical transition conditions: color change, solid forming, gas formation, smell change, change in temperature, or something on fire.

500
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
500
What subatomic particle is not inside the nucleus?
Electrons
500
What element is a gas with 22 neutrons?
Argon
500

What is the definition of an endothermic reaction?

A chemical reaction that absorbs / brings in heat. 

500

When is Mr. Rassette's birthday and how old is he?

July 25th and 26 years old.

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