2.3 How many neutrons and protons are there in the following nuclei?
Given the nucleus of Strontium:
Atomic number (Z) = 38
Mass number (A) = 88
Number of protons (Z) = 38
Number of neutrons (A-Z) = 88-38 = 50
CBSE asks schools to ensure error-free LOC forms for Classes 10, 12; edit window from October 13
‘You ruined my career’: Students hit back at CBSE over 'abrupt' removal of additional subjects
‘Careers are at stake’: CBSE removes additional subject option for private students without prior notice
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