Question
Which of the following sequences correctly represents
the electron affinity of the halogens?Solution
Electron affinity generally increases across a period and decreases down a group due to atomic size and electron-electron repulsion in smaller atoms. Among halogens, chlorine has a higher electron affinity than fluorine due to its larger size allowing easier addition of an electron, making the order I < Br < Cl < F.
Select the INCORRECtLY spelt word.
Who proposed the widely accepted fluid mosaic model of the cell membrane structure in 1972?
the essentiality criteria of the nutrients was given by
According to Aristotle Model, communication process has which of the following elements?
The popular variety of mango which is suitable for high density planting is
______________ soils occupy largest area in dryland agriculture
What does the term "Eutrophication" refer to in the context of aquatic environments?
Which was the first plant bacterial disease reported?
Irregular bearing mango variety is-
How many days are taken by a fry to grown into a fingerling?