Electronegativity is the ability of an atom to attract towards it the electron pair of a covalent bond. An atom with low electronegativity is poor at doing this. For instance, the electronegativity of bromine is less than that of chlorine.
as we know that in the modern periodic table most electronegative element is fluorine which forms anions basically therefore the answer is opposite elements with low electronegative form anion usually
The atoms are arranged in a rigid structure.
Sulfur has a high electronegativity.
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In gaseous helium, the motion of helium atoms is characterized by rapid, random movement. They move in straight lines until they collide with other atoms or the walls of their container, resulting in elastic collisions. The atoms exhibit high kinetic energy due to their low mass, which contributes to the gas's low density and high speed. Overall, the motion is chaotic and isotropic, meaning it is uniform in all directions.
Calcium is not electronegative. It is a metal with a relatively low electronegativity compared to nonmetals like oxygen or fluorine.
low rain and low temperatures.
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If the elecrtronegativity difference is greater that 1.7 it is an ionic bond. If it is lower that 1.7 but greater than 0 it is a polar covalent bond. If it is equal to 0 it is a pure covalent bond.
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has low growing, tough shrubs and rock, dry soils