OCR Chemistry definitions - Module 3

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  • Created by: manpandan
  • Created on: 27-04-17 12:47
O X F S W Q D I L O Q U P W G H H P Y L W
J D P D I O I J P L V G J Y W O W K G W F
S V W L Q G S C V F Q N S M W M G F R J G
Y T Q P B G P G A P N I R P B O C M E L V
T E J N S R R Y S G P D J E Q N X P N X I
V I J N D U O T T B L N P R O G C L E Q M
H H V O F M P G H M S O Q I Y E E W N I O
J F F E H H O J I Q K B L O J N C Q O E J
Y Y H F O F R E H Y T C S D R O V J I R B
K A P G I V T A Y E W I B I G U T Q T N T
Q L K O Q Y I J Y K Y L T C H S M E A K S
H L G R J U O D S O Y L P I R C T D V M X
H S I K H G N P Y Q P A R T G A S B I Q P
K P U J M S A V R P N T F Y F T Y B T F B
D W J E B F T C M X T E E X X A L D C N A
S Y M B M J I T P N X M E Y A L A O A V D
P B N E X L O R T S P R R T L Y T G T F H
E M V S S N N U I S G L I Q W S A H V X B
F V A H O A D O C F C N S D A I C I K R B
F V H B O T Y M C L V I F K D S I F D S O
O J P F Y U L M C X U W B L H R J C T B X

Clues

  • A reaction in which the catalyst and reactants are in the same physical state; frequently the aqueous or gaseous state (11, 9)
  • A reaction in which the same element is simultaneously oxidised and reduced, giving two different products (18)
  • A repeating pattern in properties of elements across periods of the periodic table (11)
  • A substance that increases the rate of a chemical reaction without being used up in the process; a catalyst provides an alternative route for the reaction and lowers the activation energy (8)
  • The minimum energy required to start a reaction by the breaking of bonds (10, 6)
  • The strong electrostatic attraction between cations and delocalised electrons (8, 7)

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