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Does 8 protons have a weight of one atomic mass unit?
The mass of eight protons is approx. 8 amu.
Why does the number of electrons have little effect on the overal mass of an atom?
Electrons are very light. Protons are approx. 1800 X the mass (rest mass to be presice). Neutrons are about the same mass a protons. So the mass of all the electrons has little effect.
How do you figure the mass of an atom?
You add up the mass of the protons, neutrons, and electrons. Protons and Neutrons having an atomic mass of 1, and electrons having an atomic mass of roughly 1/1800.
Protons are the same as the mass or the atomic?
The atomic number is the number of protons. For example, the atomic number of Hydrogen is 1, because it has 1 proton. The mass is calculated using protons, neutrons, and electrons.
How many Electrons in uranium 235?
Because the atomic mass of this isotope is approx. 235 atomic units of mass.
Does 8 protons have a weight of one atomic mass unit?
The mass of eight protons is approx. 8 amu.
Are electrons the same as protons or neutrons?
Proton: positive charged particle, contained in atomic nucleus, mass=approx. 1 u Neutron: neutral particle, contained in atomic nucleus, mass=approx. 1 u Electron: negative charged particle, component of an atom (but not contained in nucleus), mass=approx. 1/1836 from the mass of a proton.
What are the three fundamental particles that make up atoms?
Atoms are the basic constituents of matter. Protons, Neutrons, And Electrons are the main partilces. Electrons orbit outside nucleus. Protons and neutrons reside in the nucleus.
What is the size of protons in a uranium nucleus?
A proton has identical properties in all types of atoms; the mass of a proton is approx. 1 amu.
What has approx the same mass as a neutron?
A protons mass is about 1.001 times the mass of a neutron, so their masses are fairly close.
Why do protons and electrons aproximately equal a atomic mass?
Protons are much heavier (1800 X approx) than electrons! Atomic mass is due to the mass of the protons and neutrons only a very small % of atomic mass is due to electrons.
Why does the number of electrons have little effect on the overal mass of an atom?
Electrons are very light. Protons are approx. 1800 X the mass (rest mass to be presice). Neutrons are about the same mass a protons. So the mass of all the electrons has little effect.
Location and mass of protons?
in the nucleus, mass 1
What are the three parts of the Quantum Mechanical Model of an Atom?
Protons, neutrons, and electrons. Protons and neutrons are the baryons present in the nucleus. Protons have a positive charge, and a mass of approx. 1 amu. Neutrons have no charge, and a mass of approx. 1 amu. Electrons are leptons with negative charge and negligible mass, and are found in orbitals outside the nucleus. Not all atoms have neutrons (such as in the case of hydrogen-1). Variation in electron number defines the ionization state of the atom (more electrons than protons gives a negative ion, less electrons than protons gives a positive ion). Proton number separates one element from another.
What are structure of atom?
An atom has a nucleus containing protons (positively charged) and neutrons (without electrical charge); protons and neutrons contain quarks and gluons. Around the nucleus are electron shells; electron is negatively charged. The mass of the proton or neutron is approx. 1 amu; the mass of electron is very small cca. 1/1836 from the mass of a proton.
How do you figure the mass of an atom?
You add up the mass of the protons, neutrons, and electrons. Protons and Neutrons having an atomic mass of 1, and electrons having an atomic mass of roughly 1/1800.
Protons are the same as the mass or the atomic?
The atomic number is the number of protons. For example, the atomic number of Hydrogen is 1, because it has 1 proton. The mass is calculated using protons, neutrons, and electrons.
