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What subunits are present in equal numbers in an atom?

Protons, neutrons, and electrons are subunits present in equal numbers in an atom. The number of protons in an atom is equal to the number of electrons, while the number of neutrons can vary in different isotopes of an element.


Magnesium has two isotopes of mass numbers 2425 If the isotopes were present in equal amounts what would the atomic mass be if 67 if the lighter isotope and 33 of higher isotopes were present?

24.33


The atomic mass of an atom is equal to the sum of numbers of what?

protons + electrons= atomic mass NUMBER, not the atomic mass.


Why does proton and electron are equal atomic number?

They have not atomic numbers. Atomic number is made by number of protons an atom has.


A charged atom that forms when the numbers of electrons and protons are not equal?

atomic number


Are found in the same numbers as protons?

The number of protons is equal to the atomic number.


What are the big numbers called on the periodic table?

The big numbers are atomic numbers. They are equal to number of protons. Elements are arranged in order of increasing atomic number.


Why do elements of even atomic numbers are more abundant than that of odd numbers?

Elements with even atomic numbers are more abundant than those with odd atomic numbers because of nuclear stability. Elements with even atomic numbers have equal numbers of protons and neutrons, resulting in more stable nuclei due to pairing effects. This stability makes it easier for elements with even atomic numbers to be formed through various nuclear processes, leading to their higher abundance compared to elements with odd atomic numbers.


What are the atomic numbers and atomic mass?

Atomic Number :- atomic number of an element is the number of protons present in the nucleus of the atom. (since atoms are electrically neutral the number of protons in an atom is equal to the number of electrons in an atom) Atomic Mass :- atomic mass of an element is the number which tells us how many times an atom of that element is heavier than an atom of hydrogen (whose atomic weight is taken as unity [1])


How does the atomic number tell you the number of electrons?

The atomic number is the number of protons in the nucleus of the atom which is equal to the number of electrons in an unreacted (free) atom. There is no deducing, they just are the same.


Does the number of electrons in an atom give its atomic number?

The number of protons is equal to atomic number; in a neutral atom the number of electrons is also equal to the numbers of protons.


What is the atomic number of an atom with eleven protons and twelve neutrons?

Atomic numbers of atoms always measured by their proton units. Atomic number is equal to proton number. So its is eleven