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Science, Chemistry
10th -
12thgrade
The Periodic Law (Chapter 5 Review)
27 questions
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- 1. Multiple Choice
Mendeleev’s periodic table did not list all elements in order of in creasing atomic mass because he grouped together elements with similar
properties
atomic numbers
names
isotopes
- 2. Multiple Choice
Mendeleev predicted that the gaps in his periodic table represented
ions
radioactive elements
unstable elements
undiscovered elements
- 3. Multiple Choice
The person whose work led to a periodic table based on increasing atomic number was
Moseley
Mendeleev
Rutherford
Cannizzaro
- 4. Multiple Choice
The periodic law states that the physical and chemical properties of elements are periodic functions of their atomic
masses
numbers
radii
structures
- 5. Multiple Choice
A repeating pattern is referred to as
unpredictable
irregular
periodic
a group
- 6. Multiple Choice
On most periodic tables, the lanthanides and actinides appear
on a separate page
below the main portion
on the back
at the top
- 7. Multiple Choice
What is the difference in atomic number between He and Ne?
2
8
18
32
- 8. Multiple Choice
Which noble gas has the greatest atomic number?
Ar
Xe
Kr
Rn
- 9. Multiple Choice
An element that has the electron configuration [Ne]3s23p5 is in Period
2
3
5
7
- 10. Multiple Choice
An element that has the electron configuration [Ne]3s23p5 is in Group
2
5
7
17
- 11. Multiple Choice
Elements in the s and p blocks of the periodic table are called
alloys
representative elements
metals
transition metals
- 12. Multiple Choice
Elements in Group 18 have
very low reactivity
good conductivity
very high reactivity
metallic character
- 13. Multiple Choice
Nonmetallic elements in Group 17 that react with most metals to form salts are
alkali metals
halogens
lanthanides
noble gases
- 14. Multiple Choice
The outer-level electron configuration of a neutral alkaline-earth metal atom consists of
one electron in the s orbital
two electrons in the s orbital
one electron in the p orbital
two electrons in the p orbital
- 15. Multiple Choice
In nature the alkali metals are found only in compounds because they
have small atoms
are very reactive elements
are rare elements
each have a stable octet
- 16. Multiple Choice
To which group does hydrogen belong?
Group 1
Group 2
Group 18
None of the above
- 17. Multiple Choice
An element found in groups 3-12 of the periodic table is classified as a(n)
alkali metal
alloy
transition
actinide
- 18. Multiple Choice
In which group is an element that has an outer-level electron configuration consisting of one electron in the d orbital and two electrons in the ns orbital?
Group 1
Group 2
Group 3
Group 5
- 19. Multiple Choice
What can be removed from an atom if ionization energy is supplied?
a proton
a neutron
an electron
an ion
- 20. Multiple Choice
Across a period in the periodic table, ionization energy generally
decreases
decreases, then increases
increases
remains constant
- 21. Multiple Choice
Down a group in the periodic table, the change in ionization energy is due to
increasing electron shielding
decreasing charge of the nucleus
increasing neutrons in the nucleus
decreasing atomic radii
- 22. Multiple Choice
The atomic radius of an atom that is chemically bonded to an identical atom is equal to
the distance between the nuclei.
half the distance between the nuclei.
twice the distance between the nuclei.
one-fourth the distance between the nuclei
- 23. Multiple Choice
Across a period in the periodic table, atomic radii generally
decrease
decrease, then increase
increase
increase, then decrease
- 24. Multiple Choice
Down a group in the periodic table, atomic radii generally
decrease
remain constant
increase
vary unpredictably
- 25. Multiple Choice
One of the least electronegative elements would be found on the periodic table in
Group 1, Period 7
Group 3, Period 4
Group 5, Period 3
Group 17, Period 2
- 26. Multiple Choice
As the atomic numbers of the metals of Group 1 increase, the ionic radii
increase
decrease
remain the same
cannot be determined
- 27. Multiple Choice
An element with the smallest anionic (negative-ionic) radius would be found on the periodic table in
Group 1, Period 7
Group 3, Period 4
Group 5, Period 3
Group 17, Period 2
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