Fluorine has the highest electronegativity. As a fluorine is the smallest and first element of its group. So, down the group of electro-negativity decreases due to increase atomic size.
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Absolutely true, Osmosis, is the movement of water (molecules) by a selectively permeable membrane. It is the passage of water from an area of high-water concentration to an area of low water concentration through a semi-permeable membrane.
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