Atoms Count
Metals Etc.
Element Facts
Chemists
Formulas
100
One sodium atom, one chlorine atom
What is NaCl? (salt)
100
an alloy
What is a mixture of two metals?
100
The most common elements in living organisms
What are carbon, oxygen, and hydrogen?
100
Mendeleyev
Who created the first Periodic Table of Elements?
100
Water
What is H20?
200
Two chlorine atoms, one calcium atom
What is CaCl2? (Calcium Chloride)
200
Copper
Which metal is an excellent conductor of electricity?
200
Calcium, carbon, hydrogen, oxygen, nitrogen
What are the five most abundant elements in plants and animals?
200
Sir Humphry Davy
Who discovered the element potassium?
200
Carbon Dioxide
What is CO2?
300
One carbon atom, two oxygen atoms
What is CO2? (Carbon Dioxide)
300
aluminum, copper, gold, silver, tin, nickel, mercury, lead, (some possibles)
What are metals that are also elements?
300
atomic number and chemical properties
What is the way elements are organized on the Periodic Table of Elements?
300
Marie Curie
Who invented the term radioactivity? or Who won two Nobel Prizes? or Who discovered two elements (polonium and radium) or Who died from her research?
300
Salt
What is NaCl?
400
Six carbon atoms, twelve hydrogen atoms, six oxygen atoms
What is C6H12O6? (Sugar)
400
Mercury
What is the only liquid metal?
400
Earth, Fire, Water, Air
What were the original four elements?
400
Dr. Joaquin Ruiz
Who worked with instruments to help the process of carbon-14 dating?
400
Baking Soda
What is NaHCO3?
500
One sodium atom, three oxygen atoms, one carbon atom, one hydrogen atom
What is NaHCO3? (baking soda)
500
Conductors of heat and electricity; can bend and stretch when hit; have shiny surfaces when rubbed or scratched
What are the properties of metals?
500
Sixty
What is the number of elements that had been discovered when Mendeleyev organized the first Periodic Table of Elements?
500
Ernest Rutherford
Who discovered the structure of the gold atom?
500
Sugar
What is C6H12O6?
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