Science 1prep 2nd term test on L1: chemical combination

Put true or false
All non-metals are bad conductors of electricity

Put true of false:
The bond in water molecule is ionic bond

Put true or false:
Nobel gases share in chemical reactions

Put true or false
The bond in CaO molecule is ionic bond

Put true or false:
the ionic bond is formed by sharing with electrons

Put true or false
The ionic bond in HCl is formed by sharing with electrons

choose:
All the following are metals, except .............

Choose:
------------------ All the following are examples of covalent molecules, except

Choose:
.................... The type of bond in oxygen molecule is

Choose the correct answer:
.The atom of a metal element changes into .... after losing an electron

Choose:
All the following are solid metals, except...............

Choose the odd word:
HCl - NaCl - KBr - CaO

Choose the odd word:
Sulphur - Iron - Carbon - Chlorine

Choose the odd word:
Sodium - Calcium - Mercury - Magnesium