nifer

Mae'n bosib gweld trefn yr elfennau yn y Tabl Cyfnodol sy'n dangos y nifer o brotonau sydd gan bob un a beth yw pwysau atomau'r elfen honno gan ddefnyddio Rhif Avogadro.

It is possible to see the order of the elements in the Periodic Table, which shows the number of protons in each of them, with which you can calculate the number of atoms in the element using Avogadro's number.C1

Mae'r nifer o bobl sydd wedi marw o Nipah yn eitha bach.

The number of people who have died from Nipah is relatively small.B2

Nododd y gwerthusiad nifer o argymhellion ar gyfer Rhentu Doeth Cymru.

The evaluation set out a number of recommendations for Rent Smart Wales.C1

Fel y gwyddoch, nododd y gwerthusiad nifer o'r argymhellion hynny i fynd i'r afael â rhai o'r cyfyngiadau a nodwyd.

As you'll know, the evaluation set out a number of those recommendations to address some of the identified constraints.C1

Rwy'n croesawu'r ffaith bod Llywodraeth Cymru wedi rhoi'r gorau i'r hawl i brynu, lle cafodd nifer sylweddol o dai rhent cymdeithasol eu gwerthu.

I welcome the fact that the Welsh Government ended the right to buy, which saw a mass sell-off of social housing for rent.C1