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On the periodic table what tells you which subshell of an atom is being filled?
The period number on the periodic table tells you which energy level (shell) of an atom is being filled. The subshell within that energy level is determined by the block in which the element is located on the periodic table. For example, elements in the s-block fill the s subshell, elements in the p-block fill the p subshell, and so on.
How many electrons does an Mn atom have in its 3d subshell?
One Mn atom contains 5 electrons in it's 3d subshell, all of which are unpaired.
What is the number of unpaired electrons in a lithium atom?
Lithium atoms contain one unpaired electron. Two of the three total electrons in a lithium atom are paired in its lowest energy s orbital, which can contain only two.
Why is transfer of electron from 2s subshell to 1s subshell not possible?
Transfer of an electron from a higher energy orbit (2s) to a lower energy orbit (1s) is not possible because it would violate the energy conservation principle. Electrons naturally occupy the lowest available energy levels in an atom, following the Aufbau principle. This means electrons will only move to higher energy levels if they absorb energy, not by transferring between lower and higher energy levels.
How many electrons in the first energy level of lithium?
Lithium has a total of 3 electrons. The first energy level of an atom can hold a maximum of 2 electrons, so the first energy level of lithium will have 2 electrons.
On the periodic table what tells you which subshell of an atom is being filled?
The period number on the periodic table tells you which energy level (shell) of an atom is being filled. The subshell within that energy level is determined by the block in which the element is located on the periodic table. For example, elements in the s-block fill the s subshell, elements in the p-block fill the p subshell, and so on.
How many electrons does an Mn atom have in its 3d subshell?
One Mn atom contains 5 electrons in it's 3d subshell, all of which are unpaired.
Compare the stability of a lithium atom with that of its ion Li plus .?
Li+ means that the atom lost an electron. And this means it has now has a complete outershell, thus being more stable than the Lithium atom with 1 valence electron
What kind of atom has three electrons?
Lithium is an atom that has three electrons. It has an electron configuration of 2-1, with two electrons in the first energy level and one electron in the second energy level.
What is the number of unpaired electrons in a lithium atom?
Lithium atoms contain one unpaired electron. Two of the three total electrons in a lithium atom are paired in its lowest energy s orbital, which can contain only two.
What is the subshell of the K shell?
The K shell is the first shell in an atom and has only one subshell, which is the 1s subshell. This subshell can hold up to 2 electrons.
Why is transfer of electron from 2s subshell to 1s subshell not possible?
Transfer of an electron from a higher energy orbit (2s) to a lower energy orbit (1s) is not possible because it would violate the energy conservation principle. Electrons naturally occupy the lowest available energy levels in an atom, following the Aufbau principle. This means electrons will only move to higher energy levels if they absorb energy, not by transferring between lower and higher energy levels.
How many electrons in the first energy level of lithium?
Lithium has a total of 3 electrons. The first energy level of an atom can hold a maximum of 2 electrons, so the first energy level of lithium will have 2 electrons.
When a lithium atom forms a Li plus ion the lithium atom does what?
THe lithoium atom has IONISED ( lost) an electron, to become the lithium ION.
Why is it easier to lose electrons from a cesium atom than from a lithium atom?
It all has to due with ionization energy. Ionization energy is the energy required to remove an electron from an atom to make it an ion. Cesium has a lower ionization energy than Lithium, so it is easier to remove electrons, and thus lose electrons, from a Cesium atom than a Lithium atom.
How many protons does a lithium atom have?
Based on the atomic number of lithium there are three protons in a lithium atom.
Compare the stability of a lithium atom with that of its ion Li plus?
A lithium atom has 3 electrons, with 2 electrons in the first energy level and 1 in the second energy level, making it stable. When it loses 1 electron to form the Li+ ion, it achieves a full valence shell (similar to a noble gas configuration) and becomes more stable. This is because the Li+ ion has a complete outer energy level, reducing its reactivity and increasing stability.
