Quiz
chemistry
Perguntas do quiz (5)
1what is the link between elecrtons and group number
- Anumber of electrons on the outermost shell is the group No.
- Bthe electrons altogether make the group number
2what is an atom
- Athe smallest element with nucleus
- Bthe smallest unit of an element which has a nucleus
3what is an isotopes
- Aan isotope is the same elemnt with the same number of of protons and electrons but a different number of neutrons
- B hjk
4how can you tell the isotopes apart
- Amass number
- Bgjh
5what is the ram
- Athe ram is the average mass of a atom compared to half mass of a carbon atom. 12 atom
- Bthe average mass of an atom
Informações
- Descrição
- Quiz sobre chemistry, criado por izzybrown1999 em 14-10-2013.
- Autor
- izzybrown1999
- Idioma
- English
- Visualizações
- 15
- Avaliação
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