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Almost all of the mass of an atom is in the nucleus. The nucleus is made up of protons and neutrons, with hydrogen-1 as the lone exception because its nucleus has only a proton in it. In other atoms, protons and neutrons are fused together to form that nucleus. The electrons are out in their electron cloud. And we mention the electron because it has only about 1/1836th the mass of a proton. See how it works? A fistful of electrons weigh almost nothing compared to a single proton. The neutron is slightly heavier than a proton, so when neutrons and protons are gathered in any atomic nucleus, it contains most all of the mass of that atom.
What else can I help you with?
What is most likely true of an atom with a mass of 15 amu?
An atom with a mass of 15 amu is most likely a nitrogen atom, as the atomic mass of nitrogen is approximately 14.01 amu. This means that the atom may have gained or lost a particle, altering its mass slightly.
Where is most of the mass of an atom contained?
When calculating the mass of an atom, you add the mass of the protons and the neutrons. This is the nucleus of the atom. The electrons are small enough to be ignored except in the most delicate calculations.
What is the mass of an atom found by?
The mass of an atom is primarily determined by the combined masses of its protons, neutrons, and electrons. Protons and neutrons contribute most of the mass since electrons have negligible mass. The exact mass of an atom can be found by adding up the masses of its protons, neutrons, and electrons.
Where is most of the atoms mass found?
An atom's mass is concentrated in its nucleus, which is located in the center of the atom. Protons and neutrons within the nucleus are responsible for its mass; the electrons, which are located outside of the nucleus, don't contribute to the mass of the atom.
Which particles in an atom contribute most to mass of the atom?
The particles are protons, neutrons, and the nucleus inside of the atom Nice helping u >_<
What represents most of an atom's mass?
The nucleus of an atom represents most of an atom's mass.
What makes up most of the mass of an atom?
protons and neutrons make up most of the mass in an atom
What makes up most of the mass of Atom?
protons and neutrons make up most of the mass in an atom
Where is the most mass in an atom concentrated?
in the nucleus of the atom
Where is the mass in atom?
Most of the mass in an atom is found in the nucleus, which contains the protons and neutrons.
Most of the mass of an atom is concentrated in the?
in the nucleus of the atom
What is true of an atom nucleus It is negatively charged and takes up most of the atom and space. It is negatively charged and includes most of the atom and mass. It is positively char?
It is positively charged and includes most of the atom and mass.
What part of the atom contains most of its mass?
The nucleus, made up of protons and neutrons, contains most of an atom's mass.
What is most of the mass of an atom?
The nucleus.
Where in an atom is most of is mass?
In the nucleus.
What is most likely true of an atom with a mass of 15 amu?
An atom with a mass of 15 amu is most likely a nitrogen atom, as the atomic mass of nitrogen is approximately 14.01 amu. This means that the atom may have gained or lost a particle, altering its mass slightly.
Where is the most of the mass in an atom?
Most of the mass in an atom is in the nucleus. The protons and neutrons are about the same weight, 1 amu. The elecrtons are 1/1840 of the mass of an proton. Neutrons are 2000 times heavier than electrons and protons have an equal mass of neutrons
