Physical Science Test 5B
 
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Physical Science Test 5B

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

 1. 

Which list of elements contains only metals?
a.
carbon, iodine, tin
c.
helium, iron, copper
b.
tin, copper, cesium
d.
iodine, carbon, argon
 

 2. 

Which list of elements contains only metals?
a.
radon, krypton, tin
c.
neon, iron, silver
b.
tin, silver, platinum
d.
krypton, radon, oxygen
 

 3. 

Group 7A of the periodic table contains the
a.
most reactive nonmetals.
c.
least reactive nonmetals.
b.
most reactive metals.
d.
least reactive metals.
 

 4. 

The column of the far left of the periodic table contains the
a.
least reactive metals.
c.
most reactive metals.
b.
least reactive nonmetals.
d.
most reactive nonmetals.
 

 5. 

Two highly reactive elements in Period 2 are the metal lithium and the
a.
metalloid arsenic.
c.
nonmetal fluorine.
b.
nonmetal selenium.
d.
nonmetal krypton.
 

 6. 

Two highly reactive elements in Period 4 are the metal potassium and the
a.
nonmetal krypton.
c.
nonmetal bromine.
b.
nonmetal selenium.
d.
metalloid arsenic.
 

 7. 

Compared with Group 2A elements, Group 6A elements have
a.
more atoms in the ground state.
c.
more isotopes.
b.
more valence electrons.
d.
fewer valence electrons.
 

 8. 

Compared with Group 3A elements, Group 2A elements have
a.
fewer valence electrons.
c.
more atoms in the ground state.
b.
more valence electrons.
d.
more isotopes.
 

 9. 

Compared with Group 2A elements, Group 3A elements have
a.
more isotopes.
c.
fewer valence electrons.
b.
more atoms in the ground state.
d.
more valence electrons.
 

 10. 

Compared with Group 4A elements, Group 2A elements have
a.
fewer valence electrons.
c.
more valence electrons.
b.
more isotopes.
d.
more atoms in the ground state.
 

 11. 

Compared with Group 5A elements, Group 2A elements have
a.
more isotopes.
c.
more atoms in the ground state.
b.
fewer valence electrons.
d.
more valence electrons.
 

 12. 

Compared with Group 1A elements, Group 3A elements have
a.
more valence electrons.
c.
more isotopes.
b.
fewer valence electrons.
d.
more atoms in the ground state.
 

 13. 

Compared with Group 7A elements, Group 4A elements have
a.
more atoms in the ground state.
c.
more isotopes.
b.
more valence electrons.
d.
fewer valence electrons.
 

 14. 

Compared with Group 6A elements, Group 3A elements have
a.
more isotopes.
c.
more valence electrons.
b.
fewer valence electrons.
d.
more atoms in the ground state.
 

 15. 

Compared with Group 3A elements, Group 1A elements have
a.
more valence electrons.
c.
more atoms in the ground state.
b.
fewer valence electrons.
d.
more isotopes.
 

 16. 

A member of the boron family has three valence electrons, while a member of the nitrogen family has
a.
none.
c.
four.
b.
five.
d.
three.
 

 17. 

An alkali metal has one valence electron, while an alkaline earth metal has
a.
two.
c.
four.
b.
three.
d.
none.
 

 18. 

A member of the carbon family has four valence electrons, while a member of the oxygen family has
a.
three.
c.
six.
b.
four.
d.
none.
 

Completion
Complete each sentence or statement.
 

 19. 

When Mendeleev organized elements in his periodic table in order of increasing mass, elements with similar properties were in the same ____________________.
 

 

 20. 

Mendeleev organized elements in his periodic table in order of increasing ____________________.
 

 

 21. 

Mendeleev predicted that the undiscovered element he called eka-aluminum would have a(an) ____________________ melting point.
 

 

 22. 

Mendeleev’s periodic table was useful because it enabled scientists to predict properties of unknown ____________________.
 

 

 23. 

The pattern of repeating properties of elements revealed in the periodic table is known as the ____________________.
 

 

 24. 

Boron is one block to the left of carbon in the periodic table. The atomic number of carbon is 6. The atomic number of boron is ____________________.
 

 

 25. 

The atomic mass unit (amu) is defined as one twelfth the mass of a(an) ____________________–12 atom.
 

 

 26. 

To determine the atomic mass of an element, you would take a(an) ____________________ average of the isotopes that make up that element.
 

 

 27. 

Elements can be classified as metals, nonmetals, and ____________________.
 

 

 28. 

Metals that grow dull when exposed to air are more ____________________ than metals that remain shiny.
 

 

 29. 

The elements cesium (Cs), Barium (Ba), and lutetium (Lu) appear from left to right in Period 6 of the periodic table. Among these elements, the most reactive is ____________________.
 

 

 30. 

The elements potassium (K), calcium (Ca), and scandium (Sc) appear from left to right in Period 4 of the periodic table. Among these elements, the most reactive is ____________________.
 

 

 31. 

The elements sodium (Na), magnesium (Mg), and aluminum (Al) appear from left to right in Period 3 of the periodic table. Among these elements, the most reactive is ____________________.
 

 

 32. 

From left to right across a period in the periodic table, elements become less ____________________ and more ____________________ in their properties.
 

 

 33. 

Element 3, lithium, has one valence electron, and element 4, beryllium, has two valence electrons. Element 5, boron, has ____________________ valence electrons.
 

 

 34. 

Element 11, sodium, has one valence electron, and element 12, magnesium, has two valence electrons. Element 13, aluminum, has ____________________ valence electrons.
 

 

 35. 

Hydrogen does not have the typical properties of a metal. However, hydrogen is located above Group 1A because it has one _________________________.
 

 

 36. 

In general, a(an) ____________________ metal will be more reactive than an alkaline earth metal in the same period.
 

 

 37. 

The two most reactive groups of elements in the periodic table are the alkali metals and the ____________________.
 

 

 38. 

Reactive elements, such as alkali metals and halogens, are found in nature only as ____________________.
 

 

 39. 

Fertilizers usually contain two elements from Group 5A, which are ____________________ and phosphorus.
 

 

 40. 

One way to demonstrate reactivity among the alkaline earth metals, Group 2A, is to observe what happens when they are placed in ____________________.
 

 



 
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