Elements Atomic Mass Atomic Number Atomic Symbol
100
What is Hydrogen
What is a non-metallic element that is the simplest and lightest of the elements.
100
What is the Atomic Mass of Boron
What is 10.811 u
100
What is the Atomic Number of Magnesium
What is 12
100
What is the Atomic Symbol of Magnesium
What is Mg
200
What is Oxygen
What is a chemical element found in the air as a colorless odorless tasteless gas that is need for everyday life.
200
What is Atomic Mass of Nitrogen
What is 14.0067 u
200
What is the Atomic Number of Aluminum
What is 13
200
What is the Atomic Symbol of Argon
What is Ar
300
What is Lithium
What is a soft silver-white metal that is the lightest of the alkali metals.
300
What is Atomic Mass of Silicon
What is 28.0855 u
300
What is the Atomic Number of Sodium
What is 11
300
What is the Atomic Symbol of Nitrogen
What is N
400
What is Rubidium
What is a soft silvery metallic element of the alkali that reacts violently with water.
400
What is Atomic Mass of Sulfur
What is 32.065 u
400
What is the Atomic Number of Calcium
What is 20
400
What is the Atomic Symbol of Oxygen
What is O
500
What is Neon
What is a noble gas belonging to the periodic table.
500
What is Atomic Mass of Chlorine
What is 35.453
500
What is the Atomic Number of Potassium
What is 19
500
What is the Atomic Symbol of Carbon
What is C






Atoms and the Periodic Table

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