An element can have atoms with different mass numbers but same chemical properties and some also used in the field of medicine in the treatment of disease ?
a) what are such element known as?
b)define such element and also give examples.
c) which properties are different in them?
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Answers
Answer:
first 1 answer will be isotope
Explanation:
2] each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
3] The number of nucleons (both protons and neutrons) in the nucleus is the atom's mass number, and each isotope of a given element has a different mass number. For example, carbon-12, carbon-13, and carbon-14 are three isotopes of the element carbon with mass numbers 12, 13, and 14, respectively.
4]An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.
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Explanation:
a) such elements are known as isotopes.
b) Isotopes are elements that have same atomic number but different mass number due to different number of neutron .
Examples: Protium (Hydrogen-1) , Deuterium
c) Isotopes of the same element have different physical properties (melting points, boiling points) and the nuclei of some isotopes are unstable and radioactive.