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Vocabulary
Elements
Periodic Table
Symbols
Atomic Number
100
Number of protons in the nucleus of each atom of the element.
What is atomic number?
100
The symbol is Fm.
What is Fermium's symbol?
100
It is the 6th column and the 5th row.
Where is Molybdenum on the periodic table?
100
The arrow means yields and represents the results of reaction.
What does the arrow mean?
100
The atomic number is 86.
What is Radon's atomic number?
200
When atoms share electrons.
What is covalent bond?
200
The symbol is Rf?
What is Rutherfordium's symbol?
200
It is the 10th column and the 6th row.
Where is Platinum on the periodic table?
200
The two-way arrow means the reaction is reversible.
What does the two-way arrow mean?
200
The atomic number is 24.
What is Chromium's atomic number?
300
States of matter, such as gas, liquid, or solid.
What is Phase?
300
The symbol is Pu.
What is Plutonium's symbol?
300
It is the 4th column and the 5th row.
Where is Zirconium on the periodic table?
300
The plus sign means substances are combined.
What does the plus sign mean?
300
The atomic number is 80.
What is Mercury's atomic number?
400
Elements and compounds present when a reaction begins.
What is Reactant?
400
The symbol is Xe.
What is Xenon's symbol?
400
It is the 18th column and the 4th row.
Where is Krypton on the periodic table?
400
The up-arrow indicates a phase change (to gas).
What does the up-arrow mean?
400
The atomic number is 36.
What is Krypton's atomic number?
500
Electrons that will be shared or transferred in a covalent bond.
What is Valence Electron?
500
The symbol is Tc.
What is Technetium's symbol?
500
It is the 1st column and the 5th row.
Where is Rubidium on the periodic table?
500
The down arrow indicates a precipitate (solid from a solution) formed by a reaction.
What does the down arrow mean?
500
The atomic number is 30.
What is Zinc's atomic number?