Flashcards
Chemistry
Flashcards do conjunto (6)
- 1What are the properties of an atom?Protons and neutrons in the nucleus, protons have a mass of 1 and a charge of +1, neutrons have a mass of 1 and a change of 0, and electrons are in the outer shells with mass of almost nothing and a charge of -1
- 2What is the charge of an atom?They are neutral
- 3What is an ion?An atom that is positively or negatively charged
- 4What is equal to the number of protons in an atom?Electrons
- 5What decides what type of atom an atom is?The number of protons in the nucleus
- 6What is an element?A substance that only contains one type of atom
Informações
- Descrição
- Atoms and Elements
- Criado por
- Stuart Burch · jan 2016
- Atualizado
- 19 fev 2016
- Visualizações
- 2
- Avaliação