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Why does atomic size increase as you go from left to right across a period?
atomic size decreases as we go from left to right. as we go from left to right, the number of protons in the nucleus increases, so the effective nuclear charge increases. due to this the electrons are attracted more towards the nucleus and hence, the size decreases.
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.
Why do both atomic size and ionic size increase as you move down a group?
Both atomic size and ionic size increase as you move down a group because the number of electron shells or energy levels increases, leading to a larger distance between the nucleus and the outermost electrons. This results in a larger atomic and ionic size.
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 no. of protons or the no.of electrons inthe nucleus ofan atom is called the atomic number of that atom.
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 as we go from left to right. as we go from left to right, the number of protons in the nucleus increases, so the effective nuclear charge increases. due to this the electrons are attracted more towards the nucleus and hence, the size decreases.
What describes the size of an atom?
The size of an isolated atom cannot be determined simply because scientists can't locate electrons outside of the nucleus. In addition to this, the size can be estimated by taking half the distance of adjacent atoms (in a solid)
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).
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.
Atomic number in the atomic nucleus?
The atomic number is equal to the number of the protons in the atomic nucleus.
