Chemical Elements
  • 1. What is the name of the above substance?
A) oxygen molecule
B) carbon dioxide
C) water molecule
D) gas compound
  • 2. How many atoms are in the above substance?
A) 2
B) 4
C) 3
D) 1
  • 3. The above substance has two hydrogen atoms and one?
A) chlorine atom
B) oxygen atom
C) carbon atom
D) helium atom
  • 4. The symbol above stands for?
A) helium
B) chlorine
C) carbon
D) oxygen
  • 5. What is the symbol for chlorine?
A) Cl
B) H
C) Co
D) C
  • 6. What is the symbol for oxygen?
A) Q
B) Oy
C) O
D) Ox
  • 7. What is the symbol for sodium?
A) S
B) Ca
C) Sd
D) Na
  • 8. The symbol above stands for?
A) magnesium
B) oxygen
C) neon
D) sulfur
  • 9. The symbol above stands for?
A) neon
B) iron
C) fluorine
D) hydrogen
  • 10. The symbol above stands for?
A) gold
B) tin
C) lead
D) peanut butter
  • 11. The symbol above stands for?
A) potassium
B) tungsten
C) calcium
D) iodine
  • 12. The symbol above stands for?
A) radon
B) wood
C) lithium
D) tungsten
  • 13. The formula for water is?
A) HHO
B) HO2
C) HO
D) H2O
  • 14. The formula for salt is?
A) NaCL
B) NA3
C) AN
D) NaC
  • 15. What is the symbol for helium?
A) He
B) Hel
C) H
D) HE
  • 16. What is the symbol for gold?
A) Go
B) Ag
C) G
D) Au
  • 17. What is the symbol for silver?
A) Ag
B) Si
C) S
D) Au
  • 18. What does the above formula represent?
A) gas
B) oxygen
C) ozone
D) air
  • 19. The symbol above stands for?
A) hydrogen
B) helium
C) lead
D) tungsten
  • 20. The symbol above stands for?
A) lithium
B) sulfur
C) silver
D) gold
  • 21. The symbol above stands for?
A) beryllium
B) cobolt
C) boron
D) copper
  • 22. What is the symbol for boron?
A) Bo
B) Bn
C) B
D) Br
  • 23. What is the symbol for nitrogen?
A) N
B) Na
C) S
D) Ni
  • 24. What is the symbol for flourine?
A) Fl
B) Pb
C) Na
D) F
  • 25. What is the symbol for neon?
A) N
B) Ne
C) He
D) H
  • 26. What is the symbol for aluminium?
A) Al
B) Am
C) A
D) Cl
  • 27. What is the symbol for silicon?
A) Si
B) So
C) S
D) Sc
  • 28. What is the symbol for argon?
A) Ar
B) Pb
C) B
D) N
  • 29. What is the symbol for calcium?
A) Ca
B) C
C) Cl
D) Na
  • 30. What is the symbol for nickel?
A) P
B) Ni
C) O
D) N
  • 31. The symbol above stands for?
A) cobolt
B) zinc
C) copper
D) sulfur
  • 32. The symbol above stands for?
A) mercury
B) zinc
C) sodium
D) hydrogen
  • 33. The symbol above stands for?
A) hydrogen
B) oxygen
C) silicon
D) mercury
  • 34. The symbol above stands for?
A) zinc
B) calcium
C) silicon
D) sulfur
  • 35. The symbol above stands for?
A) potassium
B) neon
C) boron
D) phosphorus
  • 36. The symbol above stands for?
A) silver
B) cobolt
C) gold
D) copper
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