Chemical Symbols
Elements
Compounds
Atomic Numbers
Stuff
100
O
What is the symbol for Oxygen?
100
The place to find all elements.
What is the Periodic Table.
100
The combination of 2 or more elements
What is a compound
100
The atomic number for Hydrogen
What is 1
100

The number of elements on the Periodic Table

What is 118

200
Na
What is the symbol for Sodium?
200

This most abundant element found in the atmosphere

What is Nitrogen

200
The compound CO2 makes -
What is carbon dioxide
200
The atomic number for Gold
What is 79
200
This person arranged the elements on the Periodic Table
What is Demitri Mendelov
300

K

What is the symbol for Potassium

300
These 2 elements make up the most mass of the human body.
What is Oxygen and Carbon
300

The compound NaCl makes -

What is Sodium chloride

300

The atomic number for Lithium

What is 3

300

Physical Properties include luster, malleable, ductile, conductor, and magnetic

What is a Metal

400
The symbol for Calcium
What is Ca
400
A pure substance
What is an element
400

The chemical formula for ammonia

What is NH3

400

The atomic number for Calcium

What is 20

400
Has the physical characteristics of both a metal and nonmetal
What is a Metalloid
500

The symbol for Tin

What is Sn

500
Elements are represented by this -
What is chemical symbols
500
The compound for Methane
What is CH4
500

The atomic number for Radon

What is 86

500

Which of the following is the most reactive?

* Na, *Mg, *Ca

What is Calcium

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