WorksheetsMetals and Non-metals
Total questions: 14
Worksheet time: 9mins
Select the metal which exists in liquid state at room temperature.
Mercury
Sodium
Bromine
Gallium
Identify the given metal which melts on the palm of our hand
Mercury
Sodium
Potassium
Gallium
An element oxide, X undergoes the following reactions:
X + Acid -> Salt + Water
X + Base -> Salt + Water
Is the oxide X an amphoteric oxide?
Yes
No
Which of the following are examples of Amphoteric Oxides?
(Select all that apply)
ZnO
MgO
Al2O3
Na2O
The Electronic Configuration of Sodium (Z=11) is ______
2, 9
2, 8, 1
2, 7, 2
2, 5, 4
Metals generally react with dilute acids to liberate hydrogen gas.
Except with an acid X, metals do not liberate hydrogen gas. Which is that acid?
H2SO4
HCl
HNO3
H2CO3
A metal E is stored in kerosene. When a small piece of it is left in open in air, it catches fire. When the product formed is dissolved in water, it turns red litmus to blue.
A. Identify the metal
B. What is the product formed when the metal E is put in water?
(Select correct answers for A and B)
A. Magnesium
B. Magnesium Oxide
A. Sodium
B. Sodium Hydroxide
B. Sodium Oxide
Name a metal which is a poor conductor of heat.
(a)
Cu is less reactive than sodium. Which of the following reactions will occur?
( Select 2 answers)
A
B
C
D
Which of the following is NOT a chemical property of a metal?
Metals generally have basic oxides.
Metals react with dilute acids to liberate hydrogen gas.
Metals are electropositive in nature, i.e. they donate electrons
Metals are electronegative in nature, i.e. they accept electrons.
Which of the following are the properties of Ionic Compounds?
(Select all that apply)
Ionic Compounds have high melting points
Ionic Compounds conduct electricity in aqeous or molten form.
Ionic Compounds are soluble in petrol and kerosene.
Ionic Compounds generally have solid state.
Calcium Flouride an ionic Compound is made up of two elements Ca and F. The atomic number of Calcium and Flourine is 17 and 9 respectively.
Identify the ions present in Calcium Flouride.
A
B
C
D
E
To form Sodium Oxide (Na2O), two sodium atoms combine with one oxygen atom. Pick the electron dot structure of the Na2O formed:
A
B
C
D
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