Edexcel GCSE Physics · 1PH0
Specification 6.1, 6.2, 6.6, 10.1 · Paper 1, Paper 2
Revise: Atomic ModelAn atom has a tiny central nucleus surrounded by negatively charged electrons. The nucleus contains two kinds of particle: positively charged protons and uncharged neutrons.
- Revise: Atomic Size
A very small particle with a positively charged nucleus surrounded by electrons.
- Revise: Neutral Atom
A particle containing a nucleus surrounded by electrons; it has no overall electric charge when its numbers of protons and electrons are equal.
1 more note
- Revise: Atomic Structure
The smallest part of an element that retains the properties of that element, consisting of a central nucleus surrounded by electrons.