Examlex
A(n) ____________________ is a special symbol that is used in conjunction with a part of a word to specify the pattern of the terms you want to search for.
Isotopes
Atoms of the same element that have the same number of protons but different numbers of neutrons in their nuclei, resulting in different mass numbers.
Bromine
A halogen element with the symbol Br and atomic number 35, known for its reddish-brown color and use in flame retardants and other chemicals.
Isotope
Atoms of the same element that have the same number of protons but different numbers of neutrons, resulting in different atomic masses.
Neon
Neon is a chemical element with symbol Ne and atomic number 10, known as a noble gas that exhibits a distinct reddish-orange glow when used in lamps and advertising signs.
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