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We need to know about the structure before we learn anything. Working in the flow of structure makes things easy to understand. The structure represents drawings, formulas, algorithms, tables and so on. There is a structure of atoms as known as atomic structure. An expert helps in this field to know about atomic structure. They help you while doing the atomic structure assignments, homework, project and so on.
It is the smallest particle of the chemical elements called protons, neutrons and electrons.
We can also name it a particle, molecule, bit, dot and so on.
The positively charged nucleus and negatively charged electrons around an atom are called atomic structures. It gives energy to atoms.
It helps us know about the process of atoms and molecules.
It will help you know about chemical reactions, bonds and physical properties.
It helps in making animations and video
It is used in different fields
Some solutions are;
Etc.
Experts will help you cover various topics related to atomic structure assignment
Here the expert will help you know how electrons are shared
3 subatomic particles are;
Protons
Neutrons
Electrons
There are different theories related to atomic structure
The five atomic models are;
John Dalton's atomic model
J.J Thomson's model
Ernest Rutherford model
Niels Bohr's model
Erwin Schrodinger's model
It explains the study of different nature that a matter owns.
It says electron has dual nature i.e. both particle and wave nature can be seen.
It was given by de Broglie.
When the light with energy hits the electrons releases light in the form of a wave is a photoelectric effect.
The scientist discovered that different waves tell about interference, diffraction and scattering
The waves can work in water, metal or any sort of object.
It is made when an atom absorbs energy and the electrons fall from a high energy state to a low energy state.
Here the expert will help you know about the flow of energy in any medium.
It includes
Here it stated that’s it is impossible to measure the position and momentum of the atoms as they are very small.
The differential equation is
∂2ψ /∂x2 + ∂2ψ/∂y2 + ∂2ψ/∂z2 + 8π2m/h2 (E - v ) ψ = 0
You will learn the quantum mechanical model equation details and proofs from the expert.
Here the expert will help you with the arrangement of an electron in energy levels.
Some electronic configurations examples are
Nitrogen 1s2 2s2 2p5
Boron 1s2 2s2 2p1
Sulfur 1s2 2s2 2p6 3s2 3p4
Calcium 1s2 2s2 2p6 3s2 3p6 4s2
Etc.
Here the expert will help you know about electron proton and neutron
Electron is denoted by e
Proton is denoted by p
Neutron is denoted by n
Atomic structure: some important concepts you may want to know
Elements are made of invisibly small particles. These particles are called atoms.
All atoms of one element are identical but different elements have different types of atoms
Atoms cannot be created or destroyed.
Compounds are formed when atoms of different elements combine in a simple ratio (to give molecules)
The atom has positively charged the central part
Negatively charged electrons revolve around the nucleus.
Atom is neutral (due to equal positive and negative charges)
The electron travels around the nucleus in the specified permitted circular orbits and in no others (i.e. electrons are at a fixed distance from the nucleus with fixed energy)
The electron does not radiate energy when it stays in one orbit
When an electron moves from one energy level to another, it radiates or absorbs energy. If it moves towards the nucleus, energy is radiated and if it moves away from the nucleus, energy is absorbed.
For an electron to remain in its orbit the force of attraction between the electron and nucleus must be equal to the centrifugal force
The angular momentum of an electron orbiting around the nucleus is equal to nh/2 π.
Here expert will help you with various topics that are involved in the atomic structure some of them are explained below;
All are positively charged.
All protons are identical.
Formula:
Atomic number= number of protons.
It is located in the nucleus.
NeutronsThere is no charge (neutral charge)
All are identical
Formula:
mass number= number of protons+ number of neutrons
It is located in the nucleus.
ElectronsAll are negatively charged.
It is located in orbitals.
Principle quantum number (n)
K = 1
L=2
M=3
N=4
Shapes of orbitals are
S- Orbital = spherical
P- Orbital (l=1) = dumbbell
D-orbital (l=2)= double dumbbell
Number of radial nodes = n – l – 1
Number of angular nodes = l
Total number of nodes = n – 1
Nodal planes are planes of zero per cent in finding the electron
The shells and subshells are expressed in a different numbers called quantum numbers.
If a substance emitting a line spectrum is placed in the magnetic field, a spectral line splits up into several closely spaced lines it is called the Zeeman Effect.
If a substance emitting a line spectrum is placed in an electric field, a spectral line splits up into several close space lines it is because the electric field can split the energy level with the same energy into energy levels with higher and lower energy.
The waves associated with the particles such as electrons, atoms and molecules are called matter waves. The larger the particle, the smaller the wavelength of the wave associated with it.
If the position of an electron is measured more precisely, its velocity can be measured less precisely. If the electron is measured more precisely, its position can be measured less precisely. Mathematically, Δx ≥ h 4π
Where h is Planck constant,
Δx is uncertainty in the position.
It is the basic equation of quantum mechanics. The equation is,
∇2ψ+8π2 m (E – U) ψ/h 2=0, this is a time independent equation.
The solution of this equation gives a satisfactory description of an atom. It provides information about the probability of finding an electron in a particular position or particular volume space.
The solution to the wave equation gives the wave function. The wave function has no meaning itself but gives the probability of finding an electron at a point in space.
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