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ch 6-7 assignment
- Course
- Chem 1100
- Institution
- Nova Southeastern University
ch 6-7 assignment
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Chapter 6:1) How many electrons will aluminum gain or lose when it forms an ion?
A) lose 1
B) gain 5
C) lose 2
D) lose 3
E) gain 1
2) What is the symbol for the ion with 19 protons and 18 electrons?
A) F+
B) F-
C) Ar+
D) K-
E) K+
3) Elements in group 2A (2) of the periodic table form ions with a charge of ________.
A) 1+
B) 1-
C) 2+
D) 3+
E) 0
4) An ionic compound ________.
A) has a net positive charge
B) has a net negative charge
C) contains only cations
D) contains only anions
E) has a net charge of zero
5) What is the correct formula for the iron(II) ion?
A)
B)
C)
D)
E)
6) The name of the ion is ________.
A) sulfate
B) hydrogen sulfate
C) sulfite
, D) hydrogen sulfite
E) sulfide
8) A(n) ________ is the smallest neutral unit of two or more atoms held together by a covalent
bond.
A) ionic compound
B) nucleus
C) molecule
D) formula
E) unit
9) The correct name for the compound is ________.
A) nitrogen oxide
B) nitrogen trioxide
C) dinitride trioxide
D) dinitrogen oxide
E) dinitrogen trioxide
10) The correct name for the compound is ________.
A) nitrogen oxide
B) nitrogen trioxide
C) dinitride trioxide
D) dinitrogen oxide
E) dinitrogen trioxide
11) Which of the following compounds contains an ionic bond?
A)
B) O
C) CaO
D)
E)
12) The main type of intermolecular forces between particles of ammonia (NH3) are ________.
A) ionic bonds
B) hydrogen bonds
C) polar covalent
D) dipole-dipole attractions
E) dispersion forces
13) The ability of an atom to attract the shared electrons in a covalent bond is its ________.
A) electronegativity
B) bonding ability
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