Transcript Patterns in the periodic Table

Higher Chemistry
Unit 1
Section 3 Patterns in the
Periodic Table
Multiple Choice Questions
This is designed to be used by teachers to help students develop
skills in answering multiple choice questions.
Douglas Racey, Waid Academy, Anstruther, Fife, Scotland
Higher Chemistry
1.
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
Which entry in the table shows the trends in
the electro negativity values of the elements
in the Periodic Table?
A.
B.
C.
D.
Across a period
Decrease
Decrease
Increase
Increase
Answer
Down a group
Decrease
Increase
Decrease
Increase
C.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
2. The difference between the atomic size of
sodium and chlorine is mainly due to the
difference in the
A.
B.
C.
D.
number of electrons
number of protons
number of neutrons
mass of each atom
Answer
B.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
3. Which element would require the most
energy to convert one mole of gaseous
atoms into gaseous ions carrying one
positive charge?
A.
B.
C.
D.
lithium
sodium
potassium
caesium
Answer
A.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
4. Which equation represents the first
ionisation energy of fluorine?
A.
B.
C.
D.
F(g)
F(g)
½ F2(g)
F+(g) +
Answer
+


e-
e F-(g)
F+(g) +
eF-(g) +
e F(g)
B.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
5. Which statement concerning the size of
atoms and ions is correct?
A.
B.
C.
D.
Cl- is less than that of Cl
H- is greater than that of H+
Na+ is greater than that of Na
Fe3+ is greater than that of Fe2+
Answer
B.
Higher Chemistry
6.
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
Which equation represents the first
ionisation energy of a diatomic element X2?
A.
B.
C.
D.
½ X2(s)  X+(g)
½ X2(g)  X-(g)
X(g)  X+(g)
X(s)  X+(g)
Answer
C.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
7. Sodium has a larger atomic size than lithium
because sodium has
A.
B.
C.
D.
a higher first ionisation energy
a higher mass number
more occupied electron energy levels
a larger nuclear charge
Answer
C.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
8. Which element requires the most energy to
convert one mole of gaseous atoms into one
mole of gaseous ions with a 2+ charge?
(You may wish to refer to the data booklet)
A.
B.
C.
D.
scandium
titanium
vamadium
chromium
Answer
D.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
9. Which property of the group 1 elements
could be represented by the graph?
A.
B.
C.
D.
atomic size
1st ionisation energy
melting point
electro negativity
Answer
Li
Na
K
Rb
A.
Higher Chemistry
Unit 2 - Patterns in the Periodic Table
Multiple Choice Questions
10. In which molecule will the chlorine atom
carry a partial positive charge (d+)?
(You may wish to refer to the data booklet)
A.
B.
C.
D.
Cl-I
Cl-F
Cl-Br
Cl-H
Answer
B.