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Unit 1B Ions, Isotopes, And Ionic Compounds
Test Description: This is part 2 of a 3-part review of Unit 1B
Instructions: Answer all questions to get your test result.
1) It has 6 protons so it must be (hint: look at your periodic table)
A
Nitrogen
B
Boron
C
Carbon
D
Lithium
2) Which atom has a mass number of 23 and 11 protons?
A
Vanadium-23
B
Magnesium-23
C
Sodium-23
D
Selenium-34
3) Compared to the isotope Carbon-12, Carbon-14 has
A
more neutrons and fewer protons
B
the same protons and fewer neutrons
C
the same neutrons and more protons
D
more protons and fewer neutrons
4) If it has 20 protons and 18 electrons it is
A
Argon-38
B
a Strontium ion with a 2+ charge
C
a Neon ion with a 2- charge
D
a Calcium ion with a 2+ charge
5) A neutral atom that loses electrons becomes
A
an anion
B
a cation
C
an isotope
6) If a neutral atom gains electrons it will become a(n)
A
isotope
B
anion
C
cation
7) In ionic compounds cations bond to anions due to
A
like charges attracting
B
opposite charges attracting
C
shared electrons
8) FeO is
A
iron oxide
B
iron oxygen
C
iron (III) oxide
D
iron (II) oxide
9) SnO2 is (Note: 2 should be a subscript)
A
tin (II) oxide
B
tin oxylate
C
tin oxide
D
tin (IV) oxide
10) The formula for magnesium phosphate is (Note: all numbers should be subscripts)
A
Mg2(PO4)3
B
Mg4PO2
C
Mg3(PO4)2
D
MgPO4
*select an answer for all questions
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