H
Hydrogen, sun and stars
Which element is used for batteries?
Lithium, Li
Be
Beryllium, emeralds
Sodium
Na, salt, sodio
Which element has a utility of chlorophyll?
Mg, magnesium
Potassium
K, fruit and vegetables
Calcium
Ca, shells and bones
helium
He, balloons
B
boron, boro, sports equipment
Which element's utility is present in all living beings? (give both names and symbol)
C, carbon, carbono
N
Nitrogen, protein
What element's utility is in the air?
Oxygen, O
Which noble gas element is used in advertising signs?
Neon, Ne
Ar
Argon, light bulbs
Cl
Clorine, swimming pools
