Quiz: Periodic Table, Ions, Covalent Bonding and Chemical Tests

Test your understanding of the specific concepts, facts, and details covered in this PDF document about periodic table, ions, covalent bonding and chemical tests

Science mixed 8 Questions

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Q1 Beginner 1 pts

According to the document, how can the electronic configurations of the first 20 elements be deduced? Video Reference:
"understand how to deduce the electronic configurations of the first 20 elements from their positions..."

From their positions in the Periodic Table From their atomic mass From their atomic number From their reactivity

Q2 Intermediate 2 pts

The document lists several ions and their charges. Which of the following is NOT mentioned? Video Reference:
"know the charges of these ions: metals in groups 1, 2 and 3; non-metals in groups 5,6 and 7; Ag+, Cu..."

Fe2+ Al3+ Pb2+ CO32-

Q3 Beginner 1 pts

According to the document, why do compounds with giant ionic lattices have high melting and boiling points? Video Reference:
"understand why compounds with giant ionic lattices have high melting and boiling points..."

True

False

Q4 Intermediate 2 pts

The document describes dot and cross diagrams for covalent bonds in several types of molecules. Which of the following is NOT mentioned? Video Reference:
"understand how to use dot and cross diagrams to represent covalent bonds in: diatomic molecules, inc..."

Diatomic molecules including hydrogen halides Inorganic molecules including carbon dioxide Organic molecules containing up to three carbon atoms Organic molecules containing halogen atoms

Q5 Advanced 3 pts

According to the document, which two properties of Group 1 elements provide evidence for the trend in their reactivity? Video Reference:
"understand how the difference between the reactions of these elements with air and water provide evi..."

Select all correct answers

Reactions with water Reactions with air Melting points Boiling points

Q6 Beginner 1 pts

The document lists the flame test colors for several cations. According to this, the flame color for potassium (K+) is: Video Reference:
"know the colours formed in flame tests for these cations Li+ is red , Na+ is yellow , K+ is lilac , ..."

Red Yellow Lilac Blue-green

Q7 Beginner 1 pts

According to the document, the test for the sulfate anion (SO42-) uses: Video Reference:
"describe tests for these anions : Cl−, Br− and I−, using acidified silver nitrate solution, SO42- us..."

Sodium hydroxide solution Acidified silver nitrate solution Acidified barium chloride solution Hydrochloric acid

Q8 Beginner 1 pts

The document describes a test for the presence of water using a specific compound. This compound is: Video Reference:
"describe a test for the presence of water using anhydrous copper(II) sulfate..."

True

False

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Quiz: Periodic Table, Ions, Covalent Bonding and Chemical Tests

According to the document, how can the electronic configurations of the first 20 elements be deduced? Video Reference: "understand how to deduce the electronic configurations of the first 20 elements from their positions..."

The document lists several ions and their charges. Which of the following is NOT mentioned? Video Reference: "know the charges of these ions: metals in groups 1, 2 and 3; non-metals in groups 5,6 and 7; Ag+, Cu..."

According to the document, why do compounds with giant ionic lattices have high melting and boiling points? Video Reference: "understand why compounds with giant ionic lattices have high melting and boiling points..."

The document describes dot and cross diagrams for covalent bonds in several types of molecules. Which of the following is NOT mentioned? Video Reference: "understand how to use dot and cross diagrams to represent covalent bonds in: diatomic molecules, inc..."

According to the document, which two properties of Group 1 elements provide evidence for the trend in their reactivity? Video Reference: "understand how the difference between the reactions of these elements with air and water provide evi..."

The document lists the flame test colors for several cations. According to this, the flame color for potassium (K+) is: Video Reference: "know the colours formed in flame tests for these cations Li+ is red , Na+ is yellow , K+ is lilac , ..."

According to the document, the test for the sulfate anion (SO42-) uses: Video Reference: "describe tests for these anions : Cl−, Br− and I−, using acidified silver nitrate solution, SO42- us..."

The document describes a test for the presence of water using a specific compound. This compound is: Video Reference: "describe a test for the presence of water using anhydrous copper(II) sulfate..."