atomic number Synonyms
No Synonyms and anytonyms found
atomic number Meaning
atomic number (n)
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
atomic number Sentence Examples
- Each element on the periodic table is assigned a unique atomic number, representing the number of protons in its nucleus.
- The atomic number determines an element's chemical properties and distinguishes it from all others.
- The atomic number of hydrogen is 1, indicating that it has one proton in its nucleus.
- Helium has an atomic number of 2, signifying that it possesses two protons.
- The atomic number of uranium is 92, making it the heaviest naturally occurring element.
- Elements with the same atomic number are known as isotopes, which differ in their neutron count.
- Radioisotopes are unstable isotopes with an atomic number and number of neutrons that do not balance.
- The atomic number is a fundamental property that remains constant during chemical reactions.
- The atomic number is a key factor in determining an element's position on the periodic table.
- The understanding of atomic number has revolutionized chemistry and our understanding of matter.
FAQs About the word atomic number
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
No synonyms found.
No antonyms found.
Each element on the periodic table is assigned a unique atomic number, representing the number of protons in its nucleus.
The atomic number determines an element's chemical properties and distinguishes it from all others.
The atomic number of hydrogen is 1, indicating that it has one proton in its nucleus.
Helium has an atomic number of 2, signifying that it possesses two protons.
