Games
8
20
Easy

What Element has the Symbol W?

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74

W

Tungsten
38

Sm

Strontium
42

Mo

Molybdenum
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Tungsten
14
21
Medium

This element is the lightest alkali metal and it is very reactive. This metal is used for the production of dry cells and storage batteries (for cell phones, car batteries, etc.). The carbonate of this metal is used for the treatment of some mental decease.

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3

Li

Lithium
55

Cs

Caesium
87

Fr

Francium
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Lithium
16
20
Hard

This element and its compounds are poisonous and they are used for the production of rat poison and insecticides. It is a metalloid. Small amounts of this element are added to germanium to make transistors.

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33

As

Arsenic
110

I

Darmstadtium
60

Nd

Neodymium
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Arsenic

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