Definitions
There is 1 meaning of the phrase
Atomic Number 19.
Atomic Number 19 - as a noun
A light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
Synonyms (Exact Relations)
kpotassium13Example Sentences
"The atomic number 19 corresponds to the element potassium in the periodic table."
"Potassium has an atomic number 19 and is denoted by symbol K."
"The atomic number 19 indicates the number of protons in a potassium atom."
"An atom with atomic number 19 has 19 protons and 19 electrons."
"Potassium's atomic number 19 plays a role in determining its chemical properties."
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Phrases
atomic number 109
