Unit 3: Chemical Bond And Nomenclature: Question Preview (ID: 19212)

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Covalent bond is _________ of electrons while ionic bond is _____ of electrons.
a) sharing; transferring b) transferring; sharing c) sharing unequally; sharing equally d) transferring; transferring
Covalent bond is between _____ and _____.
a) metal and metal b) non-metal and metal c) non-metal and non-metal d) metalloid and non-metal
What is an example of covalent bond?
a) K2O b) NaCl c) MgCl2 d) I2
Polar covalent bond is sharing electrons _____ while non-polar covalent bond is sharing electrons _____.
a) unequally; unequally b) equally; equally c) unequally; equally d) equally; unequally
What is an ion that K mostly formed?
a) K+1 b) K+2 c) K-1 d) K-2
What's the chemical formula for magnesium oxide?
a) MgO b) MgO2 c) Mg2O d) Mg2O2
How many electrons will magnesium likely lose?
a) 1 b) 2 c) 3 d) 4
Which pair will most form an ionic bond?
a) N and O b) Li and Mg c) C and O d) Na and O
What's the chemical formula of dinitrogen trioxide?
a) N2O5 b) N2O3 c) N4O2 d) N3O2
What's the best description of the octet rule?
a) Atoms will gain electrons to have 8 valence electrons. b) Atoms will lose electrons to have 8 valence electrons. c) Atoms will share electrons to have 8 valence electrons. d) All of the above
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