The classical bonding model which best explains the bonding in the compound NaH₂PO₄ is Hydrogen bonding.
<h3>What is Classical bonding model ?</h3>
By classical, we mean models that do not take into account the quantum behavior of small particles, notably the electron.
These models generally assume that electrons and ions behave as point charges which attract and repel according to the laws of electrostatics.
Sodium dihydrogen phosphate (NaH₂PO₄) is monoclinic, In which, the four independent hydrogen atoms were located on a difference map; they are involved in four O … O Hydrogen-bonds of length 2.654 (2), 2.589 (2), 2.559 (2), and 2.500 (2) Å.
The short contact (2.500 Å), which is not astride any symmetry element, is of the type O-H … O (asymmetrical).
The distorted coordination polyhedra of the sodium atoms are discussed in the light of recent theories on electrostatic balance.
Hence, the classical bonding model which best explains the bonding in the compound NaH₂PO₄ is Hydrogen bonding.
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Answer:
SiF4 is not a polar covalent bond.
Explanation:
SiF4 is a nonpolar molecule because the fluorine's are arranged around the central silicon atom in a tetrahedral molecule with all of the regions of negative charge cancelling each other out.
We have to first find the empirical formula. Empirical formula gives the simplest ratio of whole number of components in a compound.
oxygen phosphorous
mass 56.36 g 43.64 g
number of moles 56.36 g/ 16 g/mol 43.64 g/ 31 g/mol
=3.5 = 1.4
divide by least number of moles
3.5/1.4 = 2.5 1.4/1.4 = 1
multiply by 2 to get a whole number
O - 2.5 x 2 = 5
P - 1x2 = 2
Therefore empirical formula - P₂O₅
Mass of one empirical unit - 31x2 + 16 x 5 = 62 + 80 = 142
number of empirical units - 283.9 / 142 = 2
Therefore molecular formula - 2(P₂O₅)
molecular formula - P₄O₁₀
The answer & explanation for this question is given in the attachment below.
Explanation:
First Question
Group 18 elements. This is because the noble elements do not conduct electricity.
Second Question
Chewing in the mouth breaks food into small pieces
Third Question
How many atoms of each element are present in the molecule?
7 carbon atoms, 14 Hydrogen atoms and 1 oxygen atom