History of the Atom
Models of the Atom
Scientific Laws
Periodic Table
Define Scientific Terms
100
1897
When was the atom first discovered
100
a negatively charged particle?
What is electron
100
An even amount of protons and electrons
What is a stable element
100
This element is very dangerous and green
What is uranium
100
The smallest form of matter
What is an atom
200
Hiroshima and Nagasaki
How are atoms weaponized
200
Electron cloud
Where are the electrons held
200
The only element with zero neutrons
What is hydrogen
200
This element is named after a state
What is californium
200
A positively charged particle of an atom
What is proton
300
115 Elements
What is the known number of elements
300
2,8,8,18,32
What is the amount that each electron level can hold
300
Density, Color,melting point and freezing point
What is physical properties of a element?
300
This elements makes up a large amount of the atmosphere
What is nitrogen
300
An atom that has a uneven amount of proton and electrons
What is isotope
400
By their atomic number and atomic mass
How were elements first arranged
400
Compounds
Two elements chemically combined
400
I cannot be split
What is an atom
400
I have 44 protons and an atomic mass of 101
What is ruthenium
400
An ion that has a positive charge
What is cation
500
24 elements
What is the number of synthetic elements
500
Mendeleev and Moseley
What is the first two scientist significantly known for organizing the periodic table
500
Everything and anything is made up of
What is matter
500
Nonmetals,Metalloids, Metals and Noble gases
What is the main blocks of the periodic table
500
An extremely nonreactive group 18 elements
What is noble gases
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