Flashcards
Sem título
Flashcards do conjunto (11)
- 1What is an atom?The smallest particle of a chemical element that can exist.
- 2What does an atom contain?- Protons
- Neutrons
- Electrons - 3What is the relative charge and mass for a proton?relative charge = positive
relative mass = 1 - 4What is the relative charge and mass for an electron?relative charge = negative
relative mass = -1 - 5what is the relative charge and mass for a neutron?relative charge = neutral
relative mass = 0 - 6Why are neutrons neutral?Because they have no relative charge
- 7Where are protons and neutrons found in an atom?In the nucleus
- 8Where are electrons found in an atom?On the energy levels/shells
- 9What is the atomic mass made up of ?It is made up of protons +neutrons
- 10What is the atomic number made up of ?Protons = electrons
- 11—
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- FlashCards sobre Sem título, criado por Syed Mumin em 21-06-2015.
- Criado por
- Syed Mumin · jun 2015
- Atualizado
- 19 fev 2016
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