4 marksParticles in the Atom
CSEC Physics · January 2014 · Paper 2 · Question 6(b)
Explain why an atom is normally neutral and stable.
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Practise this questionOther parts of this question
- 6(a)(i)Write the equation representing this decay process.[3 marks]
- 6(a)(ii)How many neutrons are in the ²²⁶₈₆Ra nucleus?[2 marks]
- 6(c)What are 'isotopes'?[2 marks]
- 6(d)(i)State the mass number, atomic number and the charge on the nucleus of this atom.[4 marks]
- 6(d)(ii)Write the symbol for another possible isotope of X.[1 mark]
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