Science Quiz - Part 5
1) 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
2) Elements in the same group have similar...?
1) Atomic masses
2) Chemical properties
3) Atomic radii
4) Atomic numbers
3) The horizontal rows in a periodic table are called...?
1) Groups
2) Lanthanides
3) Periods
4) Atomic Structures
4) 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
5) The first element in the modern periodic table is...?
1) Hydrogen
2) Lithium
3) Oxygen
4) Helium
6) With which metal does oxygen combine to form rust?
1) Iron
2) Platinum
3) Gold
4) Silver
7) Rust on iron is basically...?
1) An oxide
2) A nitride
3) A chloride
4) A sulphide
8) Which of the following metals is often found in the pure state?
1) Iron
2) Aluminum
3) Gold
4) Magnesium
9) Metals that can be easily beaten into sheets are known as _______ metals.
1) Beatable
2) Polymer
3) Malleable
4) Ductile
10) Rocks that are rich in metals are known as...?
1) Metalloids
2) Allotropes
3) Slag
4) Ores
11) Which metal is extracted from the ore 'bauxite'?
1) Magnesium
2) Iron
3) Tungsten
4) Aluminum
12) Which of the following does not belong to this group?
1) Iron
2) Sodium
3) Oxygen
4) Lead
13) 1) Carbon
2) Metal
3) Magnesium
4) Manganese
Which of the following is a pure substance made up of one type of atoms?
14) 1) A mixture
2) An element
3) A compound
4) An atom
Stainless steel is a an alloy of _______, _______, chromium, and nickel.
15) 1) Copper, zinc
2) Aluminum, tin
3) Iron, carbon
4) Lead, magnesium
Which of the following is a pure substance made up of two or more types of atoms or elements?
16) 1) A mixture
2) An element
3) A compound
4) An atom
Copper sulfate can be further subdivided into simpler substances by chemical means only. Therefore, it is...?
17) 1) A compound
2) A mixture
3) An element
4) An atom
Which of the following is the smallest part of a compound, whose properties are the same as those of the compound?
18) 1) Molecule
2) Mixture
3) Element
4) Atom
Which of the following is an impure substance made up of two or more types of atoms or elements?
19) 1) Element
2) Mixture
3) Compound
4) Molecules
1) Metal
2) Non Metal
3) Base
4) Oxygen
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