Flashcards
3.1.1 Atomic structure
Flashcards do conjunto (8)
- 1nucleusthe tiny, positively charged centre of an atom composed of protons and neutrons
- 2nucleons- protons and neutrons
- sub-atomic particles found in the nuclei of atoms - 3strong nuclear forcethe force that holds protons and neutons together within the nucleus of an atom
- 4electrostatic forcesthe forces of attraction and repulsion between electrically charges particles
- 5proton/atomic number (Z)number of protons in an atoms nucleus
- 6relative atominc mass (Ar)(average masss of an atom) / ( one 12th the mass of a carbon-12 atom)
- 7atomic orbitala region of space around the atomic nucleus where there is a high probability of finding an electron
- 8ionisation energythe energy required to remove one mole of electrons from on mole of isolated gaseous atoms or ions
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- AS level Chemistry (Physical Chemistry ) FlashCards sobre 3.1.1 Atomic structure, criado por Carmen Watson em 14-12-2018.
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- Carmen Watson
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