C1

A W V J U F B C U K N M R S W G C W H Q Y
U M R M U S E Y L O N U A E N D K V R K F
N E H R D Y L W J E S G V I T E I E I E F
S X R N O T F B O Y S G K S R S B C D K D
A Q K O G C O J L E T C S E I M F I V C H
T T S I N O R H I C A L B V U G X I T N Y
U B X T I D C O Y R G M C N P O B J M H A
R I N A Y Q O N C M U J C N R U J L W X E
A K C S O G A O P N H I O D H J H I F V I
T P X I L A E P S C M R Y B U Y Y M E S W
E F R R L Y W S N O T H P R D S S E L D L
D O P E A T A U T C M F N R J J F S W N W
U T R M Q M C A E U W Y O M M O U T C G E
Y E Q Y X X J L I T H C P V T K F O C F G
C N G L Q C E C O Y A U J Q V Y X N P T N
I L J O X B L G L R I P I Q M I L E T Y F
C X H P S A W D B E I P O S Q T S O L V T
T W I O C G H O B M R W F X W W I L Q N V
Y N A A D D N E C V T P N J F U O P P W X
M A E P E S A V N Y K E M H F J C N T J J
I T G O P O Q C I U Y C M T J H P Q R V J

Clues

  • Crude oil is a mixture of... (12)
  • Name the process of adding substances to metals to improve their properties (8)
  • Splitting up long chain hydrocarbons is called ... (8)
  • The ability to make more bonds makes something... (11)
  • These are negatively charged and found on the energy levels of the atom (8)
  • What is CaCO3 (9)
  • What is the large number called on the periodictable of elements (4, 6)
  • What is the number of protons called (6, 6)
  • what is the process of joining small alkene molecules (14)
  • When water reacts with calcium oxide, what is formed (7, 9)

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