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Janice Connelly

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Cards in this guide (8)
What is a lanthanide element

A lanthanide element is any element that resides in the Lanthanide series on the Periodic Table. The Lanthanide series is just under the Actinide series on the Periodic Table and is usually seperated from the main part of the Periodic Table. All of the Lanthanide elements are radioactive.

Where does the mole ratio between two chemicals come from

they come from the balanced equations

Which of the following elements belong in halogen family fluorine neon lithium bismuth

Only Fluorine belongs in the halogen family.

Which electrons are the valence electrons of the atom

The correct answer is: The electrons farthest away from the nucleus...

chris ellis

What is a characteristic of the lanthanides

They are silvery metals that conduct electricity

What are characteristic property of the alkaline earth metals

they are harder than alkali metals

What are the biggest safety concerns related to walking surfaces

The biggest safety concerns relating to walking surfaces are probably the various conditions and defects that can result in slips, trips, and falls.

Which of the following is a noble gas

Argon (Ar) is one of them

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