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Unit 10C Chapter 5 Quiz



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which of the following is an example of a physical property?
a.
flammability
b.
bleaching ability
c.
melting point
d.
corrosion
 

 2. 

Which of the following is an example of a chemical property?
a.
colour
b.
texture
c.
density
d.
reaction of an acid with a base
 

 3. 

Which of the following statements is true regarding physical and chemical changes?
a.
A physical change is the change a substance goes through to produce one or more new substances.
b.
A chemical change is easily reversible.
c.
Change in the state of matter is an example of a chemical change.
d.
Possible evidence of chemical change includes appearance of a new colour, formation of gas bubbles, or production of heat.
 

 4. 

Group 1 elements, which are soft, highly reactive metals are called
a.
alkali metals
b.
alkaline earth metals
c.
halogens
d.
noble gases
 

 5. 

Which is a group of elements on the periodic table that are so stable they rarely react with any other chemical?
a.
alkali metals
b.
alkaline earth metals
c.
halogens
d.
noble gases
 

 6. 

The number of protons in the nucleus of an atom is the same as the element’s
a.
period
b.
group
c.
atomic number
d.
none of the above
 

 7. 

The elements of the periodic table are arranged in order of
a.
decreasing atomic number
b.
increasing atomic number
c.
decreasing group number
d.
decreasing mass number
 

 8. 

The total number of protons and neutrons in an atom of a particular element is called the
a.
atomic number
b.
mass number
c.
group number
d.
period number
 

 9. 

According to the Bohr-Rutherford diagram of an atom, the second electron orbit can accommodate up to
a.
2 electrons
b.
8 electrons
c.
16 electrons
d.
18 electrons
 

 10. 

An electrically neutral particle with an equal number of electrons and protons is called a(n)
a.
element
b.
compound
c.
ion
d.
atom
 

 11. 

Sulfur has sixteen electrons. How many electrons are in its outer orbit?
a.
2
b.
6
c.
8
d.
14
 

 12. 

A positively charged ion is called a(n)
a.
cation
b.
anion
c.
element
d.
compound
 

 13. 

Table salt is formed from a violent reaction between
a.
aluminum and chlorine
b.
sodium and chlorine
c.
sodium and fluorine
d.
potassium and bromine
 

 14. 

Which of the following is a true statement regarding ionic compounds?
a.
Ionic compounds are made up of negative ions only.
b.
Ionic compounds are usually very soft.
c.
Ionic compounds tend to have low melting points.
d.
Most ionic compounds dissolve in water to produce a solution that conducts electricity.
 

 15. 

When aluminum, which is a metal, joins with oxygen, a non-metal, what is the name of the resulting ionic compound?
a.
oxygen aluminide
b.
aluminide oxygen
c.
aluminum oxide
d.
oxide aluminum
 

 16. 

What is the chemical formula for calcium chloride?
a.
CaCl
b.
CaCl2
c.
Ca2Cl
d.
Cl2Ca
 

 17. 

What is the chemical name of Fe2O3?
a.
iron oxide
b.
iron(II) oxide
c.
iron(III) oxide
d.
iron(IV) oxide
 

 18. 

An ion made up of more than one atom that acts as a single particle is called a(n)
a.
polyatomic ion
b.
molecular compound
c.
diatomic molecule
d.
electrolyte
 

 19. 

Which of the following is an example of a molecular compound?
a.
ammonium
b.
nitrous oxide
c.
phosphate
d.
magnesium chloride
 

 20. 

A particle in which atoms are joined by covalent bonds is called a(n)
a.
ion
b.
molecule
c.
element
d.
compound
 



 
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