structure and bonding

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

Clues

  • bonding between a metal and non-metal is _____ bonding (5)
  • covalent bonding is a non-metal and a _________ (3, 5)
  • negative molecule in the shells of an atom (8)
  • neutal molecule in the nucleus of an atom (7)
  • positive molecule in the nucleus of an atom (6)
  • the electrons in an atom are organised in (6, 6)
  • the number of proton is the ______ number (6)
  • the person who created the modern order of elements (9)
  • theelements are ordered in the ________ table (8)
  • water (H2O) ______ electrons (6)

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