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Elements
Periodic Table
How many are there?
What is it?
100
Metals
What is the blue part called in the periodic tables?
100
Periodic
What means happening at the regular intervals?
100
6
How many metalloids are there in the periodic table?
100
Chlorine
What is a yellowish green gas?
200
Nonmetals
What is the yellow part in the periodic table called?
200
Period
What is a horizontal row of elements in the periodic table?
200
18
How many nonmetals are there in the periodic table?
200
Bromine
What is a dark red liquid?
300
Metalloids
What is the green part in the periodic table mean?
300
Group
What is a vertical column of elements in the periodic table?
300
91
How many metals are there in the periodic table?
300
Iodine
What is a dark gray solid?
400
Atomic number
What is the number at the top of the chemical symbol called?
400
Periodic law
What is the law that states the repeating chemical and physical properties of elements ?
400
115
How many elements are there in the periodic table?
400
Alkali metals
Its able to be cut with a knife?
500
Solid
What does the red chemical symbol mean?
500
Alkali Metals
What are elements in Group 1 of the periodic table called?
500
18 Groups & Hydrogen
How many groups are there in the periodic table?
500
Alkali metals
Reacts with water to form hydrogen gas?