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Why does a lone pair of electrons occupy more space on an atom?
It doesn't exactly occupy more space, but it has a different shape to a bond pair. In a bond pair we have two positive nuclei, with most of the density of the bonding electron pair between the atoms. The outer nucleus attracts the bond pair outwards from the central atom. In a lone pair there is only the central atom to attract the electrons, so they are pulled in more than the bond pair, producing a fatter, squatter shape. This means that more of the electron density is near the central atom than with a bond pair, which makes it more effective at repelling the other electron pairs. Thus there is a difference in the amount of repulsion between different sorts of pair, meaning that he angles between them are different too, in the order, from greatest to least, lone pair-lone pair, lone pair-bond pair, bond pair-bond pair.
What is a lone pair?
A lone pair is a pair of electrons in an atom that is not involved in bonding with other atoms. It is often represented as a pair of dots in Lewis structures and can influence the shape and reactivity of molecules.
In a nonbonding pair of electrons in the valence shell of an atom is called?
A nonbonding pair of electrons in the valence shell of an atom is called a lone pair or nonbonding pair of electrons. These electrons are not involved in forming chemical bonds with other atoms but still influence the atom's shape and reactivity.
What is A pair of electrons not involved in bonding called?
Such pairs of electrons are called as lone pairs.
What is a lone pair apex?
A lone pair apex refers to the central atom in a molecule that possesses a lone pair of electrons. These electrons are not participating in bonding with other atoms and instead are localized on the central atom. The lone pair apex influences the geometry and reactivity of the molecule.
Does a right trapezoid have a pair of parallel lines?
Yes just the one pair that are opposite each other of different lengths
How are trapezoid different from other quadrilateral's?
They have one - and only one - pair of parallel sides.
How are parallelogram and a rhombus different?
All four sides of a rhombus are the same length. In a parallelogram there are two pairs of sides with equal lengths but one pair is different from the other pair.
How are trapezoid different from the other quadrilateral's?
They have one - and only one - pair of parallel sides.
What attribute makes a trapezoid different from other quadrilaterals?
It has exactly one pair of parallel sides.
How is a trapeziod different from the other four types of quadrilaterals you have learned about?
A trapezoid is different from other quadrilaterals that have 2 pairs of parallel sides in that a trapezoid has only 1 pair of parallel sides of different lengths.
How is a trapezoid different from other types of quadrilaterals?
A trapezium has one (and only one) pair of parallel sides.
What makes a trapezoid different from other quadrilaterals?
A trapezoid only has one pair of opposite parallel sides of different lengths but like all other quadrilaterals it has 4 sides.
How is a trapezoid different from other shapes?
A trapezoid is a 4 sided quadrilateral that has only one pair of opposite parallel sides of different lengths.
What pair of numbers for the square root of 44 fall between?
-7 and -6 is one pair. 6 and 7 is the other, more boring pair.-7 and -6 is one pair. 6 and 7 is the other, more boring pair.-7 and -6 is one pair. 6 and 7 is the other, more boring pair.-7 and -6 is one pair. 6 and 7 is the other, more boring pair.
How is a trapezoid different from other four types of quadrilaterals?
A trapezium has one (and only one) pair of parallel sides.
What shape is 4 sided has 2 paralleled sides the other not?
A trapezoid has a pair of parallel sides of different lengths
