Question

what are recognition of corona

Answer 1

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Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus.

Most people who fall sick with COVID-19 will experience mild to moderate symptoms and recover without special treatment.

Answer 2

Answer:

Generally, ionisation energy increases with atomic number in a period as we move from left to right. But as P has the stability of half-filled 'p' orbital, it has greater ionisation energy than S which has 4 electrons in 3p level and would readily lose the extra electron to acquire the stable half-filled 3p orbital.