Question: Elements in the modern periodic table are arranged on the basis of their...?
1) Atomic Mass
2) Atomic Number
3) Boiling Point
4) Chemical Symbols alphabetically
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Question: Elements in the same group have similar...?
1) Atomic masses
2) Chemical properties
3) Atomic radii
4) Atomic numbers
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Question: The horizontal rows in a periodic table are called...?
1) Groups
2) Lanthanides
3) Periods
4) Atomic Structures
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Question: The law that "the properties of elements are periodic functions of their atomic numbers" was given by...?
1) Linus Pauling
2) Mendeleev
3) Heisenberg
4) Moseley
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Question: The first element in the modern periodic table is...?
1) Hydrogen
2) Lithium
3) Oxygen
4) Helium
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Question: With which metal does oxygen combine to form rust?
1) Iron
2) Platinum
3) Gold
4) Silver
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Question: Rust on iron is basically...?
1) An oxide
2) A nitride
3) A chloride
4) A sulphide
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Question: Which of the following metals is often found in the pure state?
1) Iron
2) Aluminum
3) Gold
4) Magnesium
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Question: Metals that can be easily beaten into sheets are known as _______ metals.
1) Beatable
2) Polymer
3) Malleable
4) Ductile
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Question: Rocks that are rich in metals are known as...?
1) Metalloids
2) Allotropes
3) Slag
4) Ores
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Question: Which metal is extracted from the ore 'bauxite'?
1) Magnesium
2) Iron
3) Tungsten
4) Aluminum
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Question: Which of the following does not belong to this group?
1) Iron
2) Sodium
3) Oxygen
4) Lead
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Question: Fill in the missing word:
_________ + oxygen = Magnesium oxide
1) Carbon
2) Metal
3) Magnesium
4) Manganese
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Question: Which of the following is a pure substance made up of one type of atoms?
1) A mixture
2) An element
3) A compound
4) An atom
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Question: Stainless steel is a an alloy of _______, _______, chromium, and nickel.
1) Copper, zinc
2) Aluminum, tin
3) Iron, carbon
4) Lead, magnesium
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Question: Which of the following is a pure substance made up of two or more types of atoms or elements?
1) A mixture
2) An element
3) A compound
4) An atom
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Question: Copper sulfate can be further subdivided into simpler substances by chemical means only. Therefore, it is...?
1) A compound
2) A mixture
3) An element
4) An atom
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Question: Which of the following is the smallest part of a compound, whose properties are the same as those of the compound?
1) Molecule
2) Mixture
3) Element
4) Atom
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Question: Which of the following is an impure substance made up of two or more types of atoms or elements?
1) Element
2) Mixture
3) Compound
4) Molecules
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Question: Fill in the missing word:
Acid + _______ = Salt + Water
1) Metal
2) Non Metal
3) Base
4) Oxygen
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