Physical Science Test 6B
 
    Name:     ID: 
 
    Email: 

Physical Science Test 6B

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

 1. 

In the compound MgCl2, the subscript 2 indicates that
a.
there are two magnesium ions for each ion of chlorine
b.
the chloride ion is twice the size of the magnesium ion.
c.
magnesium and chlorine form a double covalent bond.
d.
there are two chloride ions for each magnesium ion.
 

 2. 

In the compound CaCl2, the subscript 2 indicates that
a.
the chloride ion is twice the size of the calcium ion.
b.
calcium and chlorine form a double covalent bond.
c.
there are two chloride ions for each calcium ion.
d.
there are two calcium ions for each ion of chlorine.
 

 3. 

In the compound AlCl3, the subscript 3 indicates that
a.
aluminum and chlorine form a triple covalent bond.
b.
there are three aluminum ions for each ion of chlorine.
c.
the chloride ion is three times the size of the aluminum ion.
d.
there are three chloride ions for each aluminum ion.
 

 4. 

The name iron(II) indicates that a compound contains
a.
iron ions with an 11+ charge.
c.
iron ions with a negative charge.
b.
iron ions with a 2+ charge.
d.
two types of iron ions.
 

 5. 

The name copper(II) indicates that a compound contains
a.
copper ions with a negative charge.
c.
copper ions with an 11+ charge.
b.
copper ions with a 2+ charge.
d.
two types of copper ions.
 

 6. 

The name lead(II) indicates that a compound contains
a.
lead ions with an 11+ charge.
c.
lead ions with a 2+ charge.
b.
lead ions with a negative charge.
d.
two types of lead ions.
 

 7. 

The name titanium(II) indicates that a compound contains
a.
two types of titanium ions.
c.
titanium ions with a negative charge.
b.
titanium ions with a 2+ charge.
d.
titanium ions with an 11+ charge.
 

Completion
Complete each sentence or statement.
 

 8. 

In an electron dot diagram, each dot represents a(an) ____________________.
 

 

 9. 

In an ionic compound, the attractions between cations and ____________________ hold the compound together.
 

 

 10. 

In the binary ionic compound potassium bromide, KBr, the element that forms cations is ____________________.
 

 

 11. 

The chemical formula for calcium chloride, CaCl2, shows that the compound contains two ____________________ ions for every ____________________ ion.
 

 

 12. 

KBr is the formula for an ionic compound. The fact that neither symbol is followed by a subscript means that there is a(an) ____________________ ratio of ions in the compound.
 

 

 13. 

You are given the melting points of three unknown substances and are asked to predict which one is an ionic compound. You would select the compound with the ____________________ melting point.
 

 

 14. 

The ions in solid sodium chloride are arranged in a structure called a(an) ____________________ lattice.
 

 

 15. 

If there are two long dashes between two atoms in a structural formula, molecules of the compound contain a(an) ____________________ bond.
 

 

 16. 

A polar covalent bond forms when ____________________ are not shared equally between atoms.
 

 

 17. 

A covalent bond forms when ____________________ are shared between two atoms.
 

 

 18. 

Two factors that determine whether a molecule is polar are the types of atoms in the molecule and the ____________________ of the molecule.
 

 

 19. 

When cesium and fluorine react, they form an ionic compound called cesium ____________________.
 

 

 20. 

When magnesium and sulfur react, they form an ionic compound called magnesium ____________________.
 

 

 21. 

When calcium and oxygen react, they form an ionic compound called calcium ____________________.
 

 

 22. 

A(An) ____________________ ion is a covalently bonded group of atoms that has a positive or negative charge.
 

 

 23. 

In ionic compounds, the sum of the charges of all the cations and anions must be ____________________.
 

 

 24. 

The compound whose formula is SO3 is called sulfur ____________________.
 

 

 25. 

The metallic bonds in a transition metal, such as tungsten, are stronger than the metallic bonds in a(an) ____________________ metal, such as sodium.
 

 

 26. 

In general, the more ____________________ a metal has, the stronger its metallic bonds will be.
 

 

 27. 

Among the elements potassium, lithium, and iron, the metallic bonds are likely to be strongest in ____________________.
 

 

 28. 

In a metal lattice, ____________________ are surrounded by a pool of shared electrons.
 

 

 29. 

In its simplest form, the alloy brass consists of zinc and ____________________.
 

 

 30. 

To produce stainless steel, steelmakers add ____________________ to iron.
 

 



 
Submit          Reset Help