The Periodic Table Quiz!

Is the symbol of Technetium, Th?
Yes?
Or no.
What is an atomic mass?
The protons in its nuclei
The neutrons in its nuclei
The Protons and neutrons in nuc.
The electrons in its nuclei
Which Of these elements are radioactive?
Lanthanum
Americium
Rutherfordium
Aluminum
Plutonium
Barium
What is the atomic number of Cesium?
22
71
55
10
Ruthenium is the most abundant metal in earths crust.
True
False
Which 4 of these are parts of atoms?
Electrons
Neutrons
Supetrons
Radius Root
Protons
Outer Shell
Which of these elements are found in meteorites?
Iridium
Uranium
Cometium
Gadolinium
What is the rarest lanthanide in here?
Gadolinium
Thulium
Promethium
Lutetium
What is the most valuable element out of these?
Palladium
Californium
Platinium
Gold
Which of these elements are non-metals? (Non metals, halogens, noble gases)
Carbon
Sulfur
Germanium
Bromine
Yttrium
Krypton
Selenium
Iodine
Chlorine
Sodium
Fluorine
Radon
Cesium
Oxygen
Nitrogen
Phosphorus
Argon
Helium
Neon
Magnesium
Astatine
Dubnium
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