Atomic Theory And The Periodic Table Worksheet With Answers Page 6
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1739. What is the chemical formula for dinitrogen trioxide?
a) NO
b) N
O
2
3
c) N
O
3
2
d) (NO
)
3
2
40. Which statement best describes the compound N
O
?
2
3
a) It is the ionic compound nitrogen oxide.
b) It is the covalent compound nitrogen oxide.
c) It is the ionic compound dinitrogen trioxide.
d) It is the covalent compound dinitrogen trioxide.
41. Which of the following represents the molecule formed when hydrogen reacts with nitrogen?
Answer: C
Forming Compounds – Comparing Ionic and Covalent compounds
42. Identify each of the following compounds as either ionic or covalent, and name them.
Formula
Ionic or covalent
name
(NH
)
P
Ionic
Ammonium Phosphide
4
3
OBr
Covalent
Oxygen Dibromide
2
FeF
Ionic
Iron (III) Fluoride
3
SnS
Ionic
Tin (IV) Sulphide
2
PbO
Ionic
Lead (IV) Oxide
2
NO
Covalent
Nitrogen Dioxide
2
SnO
ionic
Tin (IV) Oxide
2
43. Which of the following describes the use of electrons in ionic and covalent bonding?
Covalent
Ionic
a) sharing
splitting
b) transferring
sharing
c) sharing
transferring
Organic and Inorganic Compounds
44. Which element must always be present in an organic compound?
a) hydrogen
b) oxygen
c) carbon
d) iron
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