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Periodic Table - What is it?

The Periodic Table.

Periodic Table - What is it?

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A periodic table is the means by which all chemical elements are organized based on their atomic number, electron configurations and their recurring chemical properties.

There are four common elements that include earth, air, water and fire. An element is any substance that cannot be broken into two or more simpler substances. Besides the common elements, we also have chemical elements.

1.
The number of protons in the nucleus of an atom is known as the _______.
atomic number
catalyst
compounds
electrons
The number of protons in the nucleus of an atom is known as the atomic number. Answer (a) is correct
2.
The columns found in the periodic table are known as ______.
atomic number
groups
grids
molecules
The columns found in the period table are referred to as “groups”. Answer (b) is correct
3.
Of the confirmed elements ____ occur naturally.
98
114
117
118
Of the confirmed elements, 98 occur naturally. Answer (a) is correct
4.
The periodic table only contains _________.
protons
chemical elements
atoms
electrons
The periodic table only contains chemical elements. Answer (b) is correct
5.
The means by which all chemical elements are organized based on their atomic number, electron configurations and their recurring chemical properties is called the _________.
periodic table
subatomic particles
chemical reaction
metalloids
The periodic table is the means by which all chemical elements are organized based on their atomic number, electron configurations and their recurring chemical properties. Answer (a) is correct
6.
The lightest chemical elements include _______.
lead, mercury, copper and arsenic
carbon, nitrogen and oxygen
helium, hydrogen, lithium and beryllium
earth, air, water and fire
The lightest chemical elements include helium, hydrogen, lithium and beryllium. Answer (c) is correct
7.
This is the distribution of electrons found in an atom or molecule.
Catalyst
Orbital fashion
Synthesis
Electron configuration
Electron configuration is the distribution of electrons found in an atom or molecule. Answer (d) is correct
8.
What are the four common elements?
Helium, hydrogen, lithium and beryllium
Earth, air, water and fire
Elements 113, 115, 117 and 118
Lead, mercury, copper and arsenic
The four common elements are earth, air, water and fire. Answer (b) is correct
9.
He has been credited with publication of the periodic table in 1869.
Aristotle
Robert Hooke
Carl Linnaeus
Dmitri Mendeleev
Dmitri Mendeleev has been credited with publication of the periodic table in 1869. Answer (d) is correct
10.
The rows found in the periodic table are referred to as _____.
molecules
grids
periods
groups
The rows found in the periodic table are referred to as “periods”. Answer (c) is correct
Author:  Christine G. Broome

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