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Displaying 81 to 100 Of 255 Questions

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

Science Quiz

Question: Elements in the same group have similar...?

1) Atomic masses
2) Chemical properties
3) Atomic radii
4) Atomic numbers

Science Quiz

Question: The horizontal rows in a periodic table are called...?

1) Groups
2) Lanthanides
3) Periods
4) Atomic Structures

Science Quiz

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

Science Quiz

Question: The first element in the modern periodic table is...?

1) Hydrogen
2) Lithium
3) Oxygen
4) Helium

Science Quiz

Question: With which metal does oxygen combine to form rust?

1) Iron
2) Platinum
3) Gold
4) Silver

Science Quiz

Question: Rust on iron is basically...?

1) An oxide
2) A nitride
3) A chloride
4) A sulphide

Science Quiz

Question: Which of the following metals is often found in the pure state?

1) Iron
2) Aluminum
3) Gold
4) Magnesium

Science Quiz

Question: Metals that can be easily beaten into sheets are known as _______ metals.

1) Beatable
2) Polymer
3) Malleable
4) Ductile

Science Quiz

Question: Rocks that are rich in metals are known as...?

1) Metalloids
2) Allotropes
3) Slag
4) Ores

Science Quiz

Question: Which metal is extracted from the ore 'bauxite'?

1) Magnesium
2) Iron
3) Tungsten
4) Aluminum

Science Quiz

Question: Which of the following does not belong to this group?

1) Iron
2) Sodium
3) Oxygen
4) Lead

Science Quiz

Question: Fill in the missing word: _________ + oxygen = Magnesium oxide

1) Carbon
2) Metal
3) Magnesium
4) Manganese

Science Quiz

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

Science Quiz

Question: Stainless steel is a an alloy of _______, _______, chromium, and nickel.

1) Copper, zinc
2) Aluminum, tin
3) Iron, carbon
4) Lead, magnesium

Science Quiz

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

Science Quiz

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

Science Quiz

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

Science Quiz

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

Science Quiz

Question: Fill in the missing word: Acid + _______ = Salt + Water

1) Metal
2) Non Metal
3) Base
4) Oxygen

Science Quiz
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