G8 9-25 From Others Chemical Elements - εξέταση
water molecule
  • 1. What is this substance?
A) an element
B) carbon
C) an oxygen molecule
D) a compound
  • 2. How many atoms are in this substance?
A) 3
B) 1
C) 2
D) 4
  • 3. How many elements are in this substance?
A) 1
B) 2
C) 4
D) 3
chlorine
  • 4. What is the symbol for chlorine?
A) C
B) Cl
C) H
D) Co
oxygen
  • 5. What is the symbol for oxygen?
A) Ox
B) Q
C) O
D) Oy
salt
  • 6. What is the symbol for sodium?
A) S
B) Na
C) Sd
D) Ca
magnesium
  • 7. The symbol above stands for?
A) oxygen
B) neon
C) sulfur
D) magnesium
iron
  • 8. The symbol above stands for?
A) hydrogen
B) fluorine
C) iron
D) neon
lead
  • 9. The symbol above stands for?
A) tin
B) lead
C) peanut butter
D) gold
potassium symbol
  • 10. The symbol above stands for?
A) calcium
B) iodine
C) tungsten
D) potassium
tungsten symbol
  • 11. The symbol above stands for?
A) wood
B) tungsten
C) radon
D) lithium
  • 12. The formula for water is?
A) HHH
B) HO2
C) H2O
D) HO
salt
  • 13. The formula for salt is?
A) NA3
B) NaC
C) AN
D) NaCL
balloons
  • 14. What is the symbol for helium?
A) H
B) He
C) Hel
D) HE
  • 15. What is the symbol for gold?
A) Go
B) Ag
C) Au
D) G
  • 16. What is the symbol for silver?
A) S
B) Ag
C) Au
D) Si
ozone symbol
  • 17. What is this?
A) a molecule of an element
B) an oxygen compound
C) a number 3 compound
D) air
hydrogen symbol
  • 18. The symbol above stands for?
A) tungsten
B) lead
C) hydrogen
D) helium
lithium symbol
  • 19. The symbol above stands for?
A) sulfur
B) silver
C) gold
D) lithium
  • 20. The symbol above stands for?
A) beryllium
B) boron
C) cobolt
D) copper
  • 21. What is the symbol for boron?
A) Br
B) Bo
C) B
D) Bn
  • 22. What is the symbol for nitrogen?
A) N
B) Na
C) Ni
D) S
  • 23. What is the symbol for flourine?
A) F
B) Na
C) Fl
D) Pb
  • 24. What is the symbol for neon?
A) Ne
B) H
C) He
D) N
  • 25. What is the symbol for aluminium?
A) A
B) Am
C) Cl
D) Al
  • 26. What is the symbol for silicon?
A) Si
B) Sc
C) So
D) S
  • 27. What is the symbol for argon?
A) N
B) Ar
C) Pb
D) B
  • 28. What is the symbol for calcium?
A) Ca
B) C
C) Cl
D) Na
  • 29. What is the symbol for nickel?
A) O
B) P
C) N
D) Ni
Cu symbol
  • 30. The symbol above stands for?
A) sulfur
B) copper
C) zinc
D) cobolt
  • 31. The symbol above stands for?
A) mercury
B) sodium
C) zinc
D) hydrogen
Hg symbol
  • 32. The symbol above stands for?
A) oxygen
B) hydrogen
C) silicon
D) mercury
S symbol
  • 33. The symbol above stands for?
A) silicon
B) sulfur
C) zinc
D) calcium
P symbol
  • 34. The symbol above stands for?
A) phosphorus
B) boron
C) potassium
D) neon
cobolt
  • 35. The symbol above stands for?
A) silver
B) copper
C) cobolt
D) gold
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