VARIATION IN PROPERTIES ACROSS PERIODS
VARIATION IN PROPERTIES ACROSS PERIODS Variation in the properties of elements left to right across period. A list of properties in a period along with their variation is provided as below- Atomic Number – Increases Atomic weight – Generally Increases Nuclear charge – Increases Effective Nuclear charge – Generally Increases Atomic Radii – Generally decreases Ionic Radii – Generally decreases First Ionisation Energy - Generally increases Electron Affinity – Generally increases Atomic volume – Generally decreases Metallic character – Decreases Electron Negativity – Generally increases Reactivity of Metals – Generally decreases Reducing power of Metals – Generally decreases Volatility of Metals – Generally increases Lattice energy of Metals – Generally Increases M.P and B.P of Metals – Generally Increases Density of Metals – Generally Increases Basic Nature of Oxides – Decreases Basic Nature of Hydrides – Generally Decreases Basic N...