Define mass number. What is the mass number of an atom having 6 electrons and 7 neutrons?

Open in App

Solution

Mass number is the sum of number of protons and number of neutrons in an atom.
An atom having 6 electrons will have 6 protons as an atom is always neutral.
Therefore,
Mass number = 6 + 7 = 13

Suggest Corrections

Similar questions

Q. Define mass number. What is the mass number of an atom having 6 electrons and 7 neutrons?

Q. An element has 5 protons, 6 neutrons, and 5 electrons. What is the mass number?

Q. An atom has 7 electrons in its M - shell and contains 18 neutrons in its nucleus. What is its mass number

Q. An atom of an element contains

13

electrons. Its nucleus has

14

neutrons. Find out its atomic number and approximate atomic mass. An isotope has atomic mass

2

units higher. What will be the number of protons, neutrons and electrons in the isotope?

The nucleus of an atom has 5 protons and 6 neutrons. What would be the (a) atomic number, (b) mass number, (c) the number of electrons, and (d) the number of valence electrons, per atom of this element?

Join BYJU'S Learning Program

Define mass number. What is the mass number of an atom having 6 electrons and 7 neutrons?

Mass number is the sum of number of protons and number of neutrons in an atom. An atom having 6 electrons will have 6 protons as an atom is always neutral. Therefore, Mass number = 6 + 7 = 13

Mass number is the sum of number of protons and number of neutrons in an atom.
An atom having 6 electrons will have 6 protons as an atom is always neutral.
Therefore,
Mass number = 6 + 7 = 13