5.1 THE NUCLEAR MODEL OT THE ATOM PHYSCIS IGCSE 0625

Atom structure consist of EXCEPT

• electron

• proton

• neutron

• neon

Positive ion formed by

• gaining proton (s)

• losing proton (s)

• gaining electron (s)

• losing electron (s)

Negaitive ion formed by

• gaining proton(s)

• losing proton(s)

• gaining electron(s)

• losing electron(s)

Rutherford's experiment providing evidence that:

• a very small nucleus surrounded by mostly empty space

• a nucleus containing most of the mass of the atom

• a nucleus that is positively charged

• a very small nucleus surrounded by electrons

nucleon consist of

• proton

• electron

• neutron

• nucleus

The diagram shows nuclide notation for Uranium. What is the number of electron in the Uranium?

• 92

• 146

• 238

• 330

The diagram shows nuclide notation for Uranium. What is the number of neutron in the Uranium?

• 92

• 146

• 238

• 330

the relative charge on a nucleus equal to number of

• proton

• electron

• neutron

• nucleon

the relative mass of a nucleus equal to number of

• proton

• electron

• neutron

• nucleon

"Nuclide of an element with same proton number but different mass number".

This is definition for

• nucleon

• nuclide

• isotope

• mass