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
1.
Higher Chemistry 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
Down a group
Decrease Increase Decrease Increase
Answer 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.
Answer
number of electrons number of protons number of neutrons mass of each atom
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 F 2 (g) F + (g) + + e e F + (g) + F (g) + F(g) F e e (g)
Answer 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 Fe 3+ is greater than that of Fe 2+
Answer B.
Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions
6. Which equation represents the first ionisation energy of a diatomic element X 2 ?
A.
B.
C.
D.
½ X 2 (s) X + (g) ½ X 2 (g) X(g) X + X (g) (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 1 st ionisation energy melting point electro negativity Li Na K Rb
Answer 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.