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Chem 1
Test Description: Part 2
Instructions: Answer all questions to get your test result.
1) In what from can an ionic compound conduct electricity
A
when warmed slightly
B
dissolved in water
C
as a crystal
D
as a solid
2) A chemical bond formed when two atoms share electrons is a
A
polyatomic bond
B
covalent bond
C
crystal bond
D
ionic bond
3) What is a double bond?
A
three pairs of electrons shared by two atoms
B
a bond between two atoms
C
one pair of electrons shared by two atoms
D
two pairs of electrons shared by two atoms
4) Electrons involved in bonding between atoms are
A
valence electrons
B
inside the nucleus
C
closest to the nucleus
D
positively charged
5) Which of the following properties of a metal means that it can be drawn into wires?
A
malleability
B
flexibility
C
ductility
D
electrical conductivity
6) Which pair is most likely to form an ionic bond
A
C and O
B
He and Ne
C
Li and Cl
D
K and Ca
7) If Carbon and Hydrogen are bonded covalently how many covalent bonds are there?
A
3
B
1
C
4
D
2
8) What do you call an interatcion that holds two atoms together?
A
bond of chemicals
B
chemical interaction
C
chemical hold
D
chemical bond
9) What is the most important factor in determining whether an atom will bond?
A
number of protons
B
number of electrons in the outermost level
C
number of electrons in the innermost level
D
number of neutrons
10) What is the charge of a sodium ion with 11 protons and 10 electrons?
A
2 +
B
1 -
C
2 -
D
1 +
*select an answer for all questions
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