What is the chemical symbol for oxygen? | |||||
|---|---|---|---|---|---|
O | |||||
What does the atomic number of an element in the periodic table represent? | |||||
The number of protons in the nucleus | |||||
What is the chemical symbol for gold? | |||||
Au | |||||
Which element has atomic number 6? | |||||
Carbon | |||||
Which element is the lightest on the periodic table? | |||||
Hydrogen | |||||
What is the chemical symbol for sulfur? | |||||
S | |||||
Which element has the symbol Fe? | |||||
Iron | |||||
Which element has the symbol K? | |||||
Potassium | |||||
What is the chemical symbol for sodium? | |||||
Na | |||||
What is the chemical symbol for helium? | |||||
He | |||||
Which element has the highest atomic number that occurs naturally? | |||||
Uranium | |||||
What are the elements in group 18 called? | |||||
Noble gases | |||||
Which element has the symbol Ag? | |||||
Silver | |||||
Who is considered the inventor of the periodic table? | |||||
Dmitri Mendeleev | |||||
Which element is the most abundant in the universe? | |||||
Hydrogen | |||||
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