30 key elements names, symbols, and fun facts (a bit of bonus)

Front

HOW TO USE THESE FLASHCARDS

Element Symbol

(must know)

Back

Element name (must know)

Interesting information about the element (Optional to know... can earn some bonus)

Front

H

Back

hydrogen

The most abundant element in the universe

Almost all biological molecules contain hydrogen.

Name means "water maker".

Front

He

Back

helium

known for its use in balloons.

produced from fusion of hydrogen in stars

and by radioactive decay of many radioisotopes

Front

Li

Back

lithium

The lightest of all metals, it can float on water and is used in modern batteries. 

Front

Be

Back

beryllium

used in aerospace and for X-ray windows. 

very lightweight and low density.

Front

B

Back

boron

used in fertilizers, glass (like Pyrex)

... "borosilicate glass"...

Front

C

Back

carbon

backbone of the molecules of life.

forms of pure carbon (only carbon atoms) are graphite and diamond.

Front

N

Back

nitrogen

78% of air is elemental nitrogen (N₂)

Also,

key element in proteins and fertilizers

Front

O

Back

oxygen

a reactant in respiration and combustion (burning),.

21% of air as O₂ (thanks to it being produced during photosynthesis!)

Front

F

Back

fluorine

ion of fluorine, F^-, strengthens tooth enamel.