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What element has an atomic number of 40?

post #1 of 5
Thread Starter 
What element has an atomic number of 40?

MOLYBDENUM
NIOBIUM
YTTRIUM
ZIRCONIUM
post #2 of 5
Thread Starter 
Any guesses?
post #3 of 5
Thread Starter 
What element has an atomic number of 40?

MOLYBDENUM
YTTRIUM
ZIRCONIUM
post #4 of 5
Zirconium?
post #5 of 5
Thread Starter 
Kim,

You are correct!
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