1) Which element is this? a) Gold b) Iron c) Copper d) Mercury e) Hydrogen f) Zinc 2) Which element is this? a) Helium b) Neon c) Argon d) Krypton e) Xenon f) Radon 3) Which element is this? a) Potassium b) Mercury c) Uranium d) Germanium e) Boron f) Lithium 4) Which element is this? a) Lithium b) Sodium c) Potassium d) Rubidium e) Caesium f) Francium 5) Which element is this? a) Fluorine b) Chlorine c) Bromine d) Iodine e) Astatine 6) Which element is this? a) Hydrogen b) Helium c) Argon d) Strontium e) Neon f) Nitrogen 7) Which element is this? a) Calcium b) Boron c) Iron d) Phosphorus e) Strontium f) Cobalt 8) Which element is this? a) Carbon b) Aluminium c) Boron d) Fluorine e) Silicon f) Sodium 9) Which element is this? a) Sodium b) Lithium c) Fluorine d) Sulfur e) Uranium f) Calcium 10) Which element is this? a) Hydrogen b) Nitrogen c) Oxygen d) Argon e) Fluorine f) Chlorine

Which element is this?

szerző:
Beágyazás

Ranglista

Vizuális stílus

Beállítások

Kapcsoló sablon

Automatikus mentés visszaállítása :?