atomic number

Definition of atomic number

Nouns

the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element
Types:
magic number
the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126
Type of:
number
a concept of quantity involving zero and units

Vocabulary Lists for atomic number

Science, Grades 9-12 »(141 words)
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Words that contain atomic number