the radius of a hydrogen atom is about 10^-10 Metres and the radius of a H nucleus is about 10^-15 metres. A student decides she wants to make a model of a H atom with a radius of 5cm. What will be the radius of the H nucleus in her model?
model nucleus/model atom = actual nucleus/actual atom
n/5 = 10-15/10-10
n/5 = 10-15*10+10 = 10-15+10 = 10-5
Multiply both sides by 5
n = 5*10-5 cm
n = 0.00005 cm! She needs a bigger model!
