Atomic Structure - Atoms C1 Unit 1
Atomic Structure
- Created by: KatieHolmes99
- Created on: 11-01-15 00:27
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- Atomic Structure ~ Atoms
- Nucleus
- At the centre of the atom.
- Protons have a positive charge.
- Neutrons have no charge.
- Electrons
- Nucleus
- At the centre of the atom.
- Protons have a positive charge.
- Neutrons have no charge.
- Tiny negatively charged particles that move around the nucleus
- Nucleus
- No overall charge
- Number of protons is equal to number of electrons and their charges are equal and opposite.
- Atomic Number
- Arranged in order of atomic numbers in the periodic table.
- Is the number of protons of the element.
- Number of electrons in an atom of the element.
- Mass Number
- Total number of particles in the nucleus of an atom (protons + neutrons)
- BBC Bitesize
- Key Words: proton, neutron, atomic number, mass number
- Why are atoms neutral?
- They have equal number of protons and electrons.
- Nucleus
- Key Words: proton, neutron, atomic number, mass number
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