History
Elements Symbol
Periodic Table
Class Questions
Quiz
100
Created the first periodic table.
Who is Dmitri Mendeleev?
100
H
What is hydrogen?
100
Rows in the periodic table.
What is periods.
100
I am Cu Te, what two elements am I?
What is copper and tellurium?
100
Elements that have similar properties are organized like this?
What is columns?
200
The way Mendeleev arranged the periodic table.
What is increasing atomic mass?
200
He
What is helium?
200
Columns in the periodic table
What is groups or families?
200
Does anything on the periodic table have the same atomic mass?
What is Lr and Db?
200
Average mass of all the isotopes of an element is called the ______?
What is atomic mass?
300
Properties Mendeleev studied.
What is melting point, density, color, and atomic mass?
300
Ag
What is silver?
300
Elements on the periodic table which have characteristics of both metals and non-metals.
What is metalloids?
300
Which element has 28 protons in its nucleus?
What is Nickel?
300
An element's _______ can be predicted from its location on the periodic table.
What is properties?
400
Mendeleev noticed that properties of elements did what?
What is regularly repeated?
400
Tb
What is Terbium?
400
Located on the left side of the periodic table?
What is metals?
400
What is the atomic mass of Chlorine?
What is 35.453?
400
Another name for a group is a ______
What is family?
500
Mendeleev predicted the properties of elements that have not yet been discovered. How?
Used elements in the same group.
500
Period 6, Group 17
What is Astatine?
500
Radon, Oxygen, Krypton, Iodine, and Sulfure are examples of ________.
What is Nonmetals?
500
Which element has the most reactivity- Li, B, Mn, Na, or Ti?
What is Li?
500
An element with the atomic number 10 is located to the ________ of an element with atomic number 9.
What is right?
M
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