Games
17
20
Hard

This element is classified as an actinide and it is solid at room temperature. It is a synthetic transuranic element and can be produced in kilogram quantities. It is used in smoke detectors and as a portable source of gamma rays.

Make it easier 🤭
95

Am

Americium
103

Ac

Lawrencium
92

U

Uranium
Correct! 🥳
Incorrect 😞It's...
Americium
13
21
Medium

This element is a transition metal used in large amounts by the electrical industry in the form of wire. This metal is the second-best in the electrical conductance. Because this element resists corrosion in air, moisture and seawater, it has been widely used in coins.

Make it easier 🤭
29

Cu

Copper
26

Fe

Iron
80

Hg

Mercury
Correct! 🥳
Incorrect 😞It's...
Copper
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.

Make it easier 🤭
33

As

Arsenic
110

I

Darmstadtium
60

Nd

Neodymium
Correct! 🥳
Incorrect 😞It's...
Arsenic

Need a tutor?

Get $25 towards your tutor. Proven, teachery, and great.

Learn More