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Why does atomic size increase as you go from left to right across a period?
Atomic size decreases from left to right across a period because the effective nuclear charge increases due to more protons in the nucleus, pulling the electrons closer. This results in stronger attraction between the nucleus and the electrons, leading to a decrease in atomic size.
The atomic radius to the distance from the nucleus of an atom to?
The atomic radius refers to the distance from the nucleus of an atom to the outermost electron orbital. It is a measure of the size of an atom. The atomic radius generally increases as you move down a group in the periodic table and decreases as you move from left to right across a period.
Is smaller than the atomic radius of oxygen?
Yes, the atomic radius of oxygen is larger than the size of an atom. The atomic radius represents the distance from the nucleus to the outermost electron shell of an atom.
The protons in the nucleus of an atom is called the?
The protons in the nucleus of an atom are called the atomic number or the positive charge of the nucleus.
How does atomic size generally go on the periodic table?
Atomic size generally decreases across a period from left to right due to increasing effective nuclear charge, which attracts the electrons more strongly, pulling them closer to the nucleus. Atomic size generally increases down a group due to the addition of new energy levels further away from the nucleus.
How is knowledge about the size of the atomic nucleus is based on probability?
The size of a nucleus may be measured by firing sub-atomic particles at the nucleus and counting the proportion that bounce off the nucleus rather than miss it entirely. Assuming that the nucleus is spherical in shape, the ratio allows its size to be estimated.
Which scientist deduced the size of the atomic nucleus?
Rutherford
What is the Atomic size of oxygen?
The atomic size of oxygen is approximately 60 picometers (pm). The atomic size refers to the distance from the nucleus to the outermost electron shell in an atom.
An atomic neucleus has a diameter of aproxamiately?
Depends a carbon nucleus is 40 times the size of an hydrogen nucleus.
What is the atomic number of the nucleus?
The atomic number is the number of protons in a nucleus.
What is the size order for these scientific particles Proton Neutron Atom Electron Nucleus?
IIRC Atoms (contains Protons/Neutrons and electrons) Nucleus contains Protons and Nuetrons Proton atomic size 1 Nuetron atomic size 1 electron atomic size 1/1836 i.e the proton is 1836 bigger than the electron
Why does atomic size increase as you go from left to right across a period?
Atomic size decreases from left to right across a period because the effective nuclear charge increases due to more protons in the nucleus, pulling the electrons closer. This results in stronger attraction between the nucleus and the electrons, leading to a decrease in atomic size.
What describes the size of an atom?
The size of an atom is typically described based on its atomic radius, which is the distance from the nucleus to the outermost electrons. Atomic radius can vary depending on the element and its electronic configuration.
How does the size of an atomic nucleus compare with the size of the whole atom?
Think of the sun as the nucleus and the oort cloud (past pluto) as where the electron orbitals start. The size (volume) of the nucleus is tiny compared to the size (volume) of the atom (defined by the extent of the electron cloud).
Atomic number in the atomic nucleus?
The atomic number is equal to the number of the protons in the atomic nucleus.
Define atomic radii?
The atomic radii is the measure of the size of the atoms in a chemical element. This is the distance from the nucleus to the boundary of the electrons' cloud.
What does atomic radius means?
Atomic Radius means the size of the atoms, the distance from the atomic nucleus to the outermost electron orbital.
