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periodic table
What is the symbol for the chemical element hydrogen?
H
Which element has the atomic number 8?
Oxygen
Which element is a metalloid?
Boron
What is the atomic number of gold?
79
Which element is a noble gas?
Argon
What is the symbol for the chemical element carbon?
C
Which element has the highest atomic number?
Zelenium
Which element is a halogen?
Iodine
What is the atomic number of silicon?
14
Which element is a transition metal?
Titanium
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