1) The ground state of the atom is A
2) There are two excited states
3) There are three lines in the line spectrum
4) The transition A - B has the shortest wavelength
5) The transition that has the longest wavelength is B - C
<h3>What is the energy diagram?</h3>
We know that the energy diagram has to do with the manner in which the electrons that are in the atom can be arranged into specific energy levels. The energies levels would always begin at the ground state which is the lowest energy level.
The other higher energy levels that are above the ground state of the atom can be said to be the excited states of the atom or the molecules as the case may be. The energy level diagram of a certain atom or molecule has been shown in the image that is attached.
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Answer:
B. It increases.
Explanation:
- We can use the general law of ideal gas: <em>PV = nRT.</em>
where, P is the pressure of the gas in atm.
V is the volume of the gas in L.
n is the no. of moles of the gas in mol.
R is the general gas constant,
T is the temperature of the gas in K.
It is clear that, at constant P, the volume of the gas (V) is directly proportional to the temperature of the gas.
<em>V ∝ T.</em>
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<em>So, If a balloon is heated, the volume of the air in the balloon if the pressure is constant:</em>
B. It increases.
The elements combine with other elements in order to complete their octet and attain stability. The combination can take place either by transfer of electrons or by sharing of electrons. The sharing of electrons results in formation of covalent bond whereas transfer of electrons results in the formation of ionic bonds. The loss of electrons will result in the formation of cation whereas the gain of electrons results in formation of anion. The two oppositely charged ions are held together by electrostatic force of attraction between them.
Hence, an ionic is a force that holds two oppositely charged ions together.