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

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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