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What is the atomic number?

How many rows does the periodic table have?

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Periodic table

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Answers

1
How many rows does the periodic table have?
18
56
27
7
2
What is the atomic number?
The number of neutrons in the nucleus
The number of protons in the electron cloud
The number of electrons in the electron cloud
the number of protons in the nucleus
3
Who created the periodic table?
Galileo Galilei
Albert Einstein
Isaac Newton
Dimitri Mendeleev
4
What is the first element on the periodic table?
Nitrogen
Hydrogen
Oxygen
Helium
5
Most elements on the periodic table are metals
True
False
6
Elements in a periodic table are arranged by what?
Chemical reactivity
Atomic number
Number of neutrons
Atomic weight
7
Which scientist invented the earliest version of the periodic table?
Albert Beinsteiekhbv
Lothar Meyer
Dmitri Mendeleev
Alexandre-Emile Béguyer de Chancourtois
8
How many groups are there on the Periodic Table?
14
2
7
18
9
What Do Moving Electrons Do
Create Sound
Create Magnets
GO UP AND DOwN IFYKYK
Create electricity
10
There are 8 metaloids on the periodic table?
True
False
11
what is a periodic table
a table of the chemical elements arranged in order of atomic
noun Chemistry
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