1) In covalent compounds, atoms become chemically stable by sharing their valence electrons. a) True b) False 2) Which is the correct name for the compound N2O3? a) dinitro trioxide b) trinitrogen dioxide c) dinitrogen trioxide d) nitrogen (II) oxide (III) 3) Which is the correct name for the compound PCl5? a) monophosphorus tetrachloride b) phosphorus pentachloride c) phosphorus chloride d) pentaphosphorus chloride 4) Which is the correct formula for the compound dinitrogen monoxide? a) NO2 b) N202 c) (NO)2 d) N2O 5) Which is the formula for the compound sulfur hexachloride? a) S6Cl b) SCl5 c) SCl6 d) S2Cl3 6) In covalent bonds, atoms ________ their electrons a) share b) transfer c) charge 7) Which is the formula for the compound triselenium dibromide? a) Se2Br3 b) SeBr3 c) Se3Br d) Se3Br2 8) What is the prefix for 1? a) mono b) tri c) di d) tetra e) penta f) hexa 9) What is the prefix for 4? a) mono b) tri c) di d) tetra e) penta f) hexa 10) What is the prefix for 7? a) nona b) deca c) hepta d) tetra e) octa f) hexa 11) What is the prefix for 9? a) nona b) deca c) hepta d) tetra e) octa f) hexa 12) What is the prefix for 3? a) nona b) deca c) hepta d) tri e) octa f) hexa

Naming and formulas for covalent bonds

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