Games
12
20
Medium

This is a non-metal and it is a structural element of all biomolecules and living beings. Three naturally occurring allotropes of this element are known to exist: amorphous, graphite and diamond.

Make it easier 🤭
6

C

Carbon
1

N

Hydrogen
15

P

Phosphorus
Correct! 🥳
Incorrect 😞It's...
Carbon
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.

Make it easier 🤭
3

Li

Lithium
55

Cs

Caesium
87

Fr

Francium
Correct! 🥳
Incorrect 😞It's...
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.

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