Handout 1

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

Clues

  • mutual attraction between 2 nuclei and a shared electron pair located between nuclei. (8, 7)
  • positive ions surrounded by a “sea” of moving electrons. (8, 7)
  • Spherical shape with nucleus at centre (5, 2, 1, 7)
  • the number of protons in the nucleus of an atom (6, 6)
  • The region of space in which an electron is most likely to be found (6, 7)
  • the relative ability of bonded atom to attract shared electrons to itself. (17)
  • The unequal sharing of electrons giving partial charges on atoms at each end of bond. (5, 8, 4)
  • two lobes giving “dumbbell” shape; 3 different orientations. (5, 2, 1, 8)
  • uneven composition e.g. granite (13)
  • When surrounding atoms at central atom are not all the same (and no nonbonding electrons pairs). (5, 9)

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