Question

कैलकुलेट द वेव नंबर एंड फ्रीक्वेंसी ऑफ रेडिएशन हैविंग वेब्लैंड 58 स्टोन ​

Answer 1

Answer:

chemical reactivity is highest at the two extremes of appeared and is lowest in the centre the reactivity on the left extreme of a period is because of the is low ionization enthalpy highly reactive elements do not occur in nature in free state they usually occur in the combined form oxides formed of the elements on the left our basic and of the elements on the right are acidic in nature oxides of elements in the centre are amphoteric aur net