Test
Untitled
Preguntas del test (2)
1Define the term "element"
- AA substance made up of one type of anon
- Bbasic unit of all matter
2Define the terms "atomic number" and "mass number"
- AAtomic number is number of protons and electrons is an atom. Mass number is total number of protons and neutrons in a nucleus of an atom.
- BAtomic number is number of neutrons and protons in an atom. Mass number is total number of electrons and protons in a nucleus of an atom.
Información
- Descripción
- Science Test sobre Untitled, creado por zara.bunnell el 09/06/2013.
- Autor
- zara.bunnell
- Idioma
- English
- Visitas
- 19
- Etiquetas
- Valoración
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