Chemistry
Chemistry, 20.08.2019 17:30, tgamble1

How many occupied orbitals does a fluorine atom contain in the ground state?

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Chemistry, 28.06.2019 04:30, kieramacphee3946
In the covalent bond formation process orbitals from each atom overlap and electrons are shared between each atom. you can visualize the 1s atomic orbital of one hydrogen atom overlapping with the 1s orbital of the other hydrogen atom to form an hâh covalent bond. each hydrogen atom in the h2 molecule has the electron configuration analogous to that of the he atom. similarly, when 2p orbitals of two fluorine atoms overlap they share one electron each. the total number of electrons in each f atom is nine. each f atom shares one electron with the other f atom, and thus the total number of electrons in each f atom in the f2 molecule is 10. therefore, each f atom in the f2 molecule has the electron configuration analogous to that of ne. the atomic orbitals of two iodine atoms combine to form the diatomic i2 molecule. use the periodic table to determine the atomic orbitals that overlap to form the i2 molecule and the symbol of the noble gas that has the same electron configuration as the electron configuration of each bonded iodine atom. for example, the 2p atomic orbitals of fluorine atoms overlap to form the f2 molecule. the noble gas that has the same electron configuration as that of each bonded fluorine atom is ne. to enter the atomic orbitals that overlap and the corresponding noble gas, you would enter 2p,ne. enter the symbol for the orbitals that overlap and the chemical symbol of the noble gas separated by a comma. for example, for h2 enter 1s, he.
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Chemistry, 28.06.2019 09:50, aubreerosehennessy95
According to hund's first rule, a set of degenerate orbitals are singly occupied first, before the second slot in any of the orbitals are populated. this is quite intuitive because electron-electron repulsions would make an atom more unstable if the electrons start filling two at a time in a single orbital.however, the rule also states that in the ground state, electrons that singly fill the orbitals will adopt the same spin. why is it necessary for the electrons to have the same spin?
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Chemistry, 21.08.2019 04:00, emileep13
An atom in the ground state has seven valence electrons. this atom could be an atom of which element? (1) calcium (3) oxygen (2) fluorine (4) sodium
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Chemistry, 24.10.2019 20:43, hdjehd
Remember that cr has a ground-state electronic configuration of [ar]4s13d5 and cu has a ground state electronic configuration of [ar]4s13d10. also, remember that when you ionize a transition metal, you always remove electrons from the ns subshell before the (n-1)d subshell. in other words, a cr3+ ion has a configuration of [ar]3d3 and not [ar]4s13d2. the reason for this is that, even though the 6 valence electrons of cr are spread out through the 4s and 3d orbitals as if the 4s and 3d subshells were the same energy, when it comes to ionizing the atom, the 4s orbital is actually slightly higher in energy so that the 4s electron is removed first. which statement(s) is/are true? i. in a calcium atom, the 2px and 3px orbitals have the same size and shape. ii. in a lithium atom, the 2s and 2p subshells have different energies. iii. the 3px, 3py, and 3pz orbitals look the same, but they point in different directions. iv. in a cr atom, a 4s electron has higher energy than a 3d electron. group of answer choices iii, iv only ii, iii only i, ii, iii, iv ii, iii, iv only iii only
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