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What term best describes the sum of the number of protons and neutrons in an atom?
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∙ 9y ago
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What is the structure of the atom and the position of protons neutrons and electrons?
Protons and neutrons can be found in the centre of the atom in the nucleus. Electrons orbit round the nucleus in shells/orbits and are extremely small compared to the rest of the atom. Protons have a positive +1 charge and neutrons have no charge and are neutral. Electrons have a negative -1 charge. Protons and neutrons give the atom its mass. Each shell has a maximum number of electrons it can take. In the first shell it is 2. In all other shells (up to calcium) the maximum number is 8. An atom can gain or lose electrons, becoming what is known as an ion. An ion is nothing more than an electrically charged atom. Adding or removing electrons from an atom does not change which element it is, just its charge. The number of electrons equals the number of protons. The number of protons is the roton/atomic number. The number of neutrons can be found by subtracting the atomic mass from the atomic number (as the atomic mass it both the protons and neutrons combined.)
How many protons and neutrons and electrons does lithium have?
how many protons neutrons and electrons does lithium have? 3 protons 4 neutrons 3 electronsA lithium atom has three protons and so three electrons. The number of neutrons depends on the isotope, with the two naturally occurring stable isotopes of lithium, 6Li and 7Li, having 3 and 4 neutrons respectively.3: In any neutral atom, there are the same number of electrons as of protons, and the number of protons is the same as the atomic number, which for lithium is 3.
Define the term mass number?
Mass number is a value approximate to the number of protons (Atomic Number) plus the number of neutrons within an atom of the element considered. I say approximate as mass number takes into account the mass of the nucleus and not the actual number of protons and neutrons in the nucleus.
How do you determine the number of protons in an atom of aluminum27?
There are 13 protons in an atom of aluminum, regardless of the isotope. If it didn't have 13 protons, it wouldn't be aluminum, it would be something else. There are 14 neutrons in an atom of aluminum 27, its only stable isotope.See the Related Questions for how to count the number of protons, neutrons and electrons in any atom of any element.
According to the modern concept of the atom which are located in the nucleus of an atom?
Protons and neutrons are located in the nucleus.
Which pair below describes isotopes of the same element Aan atom with 6 protons and 8 neutrons - an atom with 8 protons an 6 neutrons Ban atom with 6 protons and 6 neutrons - an atom with 6 p?
The pair below that describes isotopes of the same element is B, an atom with 6 protons and 6 neutrons-an atom with 6 protons. It is not A, an atom with 6 protons and 8 neutrons- an atom with 8 protons and 6 neutrons. Isotopes of the same element have the same number of protons and electrons, which is the atomic number of the element.
How atomic mass describes the number of protons in the nucleus of an atom?
Atomic mass is the total of the number of protons PLUS the number of neutrons.
The number of neutrons plus protons in the nucleus of an atom-?
nass number is the number of neutrons plus protons in the nucleus of an atom
What is the total amount of protons and neutrons in an atom?
The total amount of protons and neutrons in an atom is its mass number.
What is the sum of protons neutrons in an atom?
Mass number = Protons+Neutrons
What does the atomic number of an atom made of?
An atomic nucleus contain protons and neutrons; protons and neutrons contain quarks and gluons.
The mass number of an atom indicates the number of what?
The mass number is the sum of protons + neutrons.
What particles make up the mass of an atom?
The number of protons
The number of protons and neutrons in an atom?
Depends on the atom. The atomic number will give you the number of protons. The atomic weight will give you approximately the number of protons and neutrons combined.
What is the number of an atom with 5 protons and 7 neutrons?
To the find the mass number of an atom you add the protons and neutrons. Meaning that the mass number of this atom is 12.
What areParticles that makes protons and neutrons?
The sum of the number of protons and neutrons in an atom
What is the sum of protons and neutrons in an atom?
Mass number!:)
