C1

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

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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