Please enable JavaScript.
Coggle requires JavaScript to display documents.
Science yr8 term 2, made by Fatima Ahmed 8D - Coggle Diagram
Science yr8 term 2, made by Fatima Ahmed 8D
chemical bonds
Atoms
Atoms are the basic building blocks of anything, eg: silver(ag)
elements
Atoms of the same kind chemically bonded and mentioned in the periodic table, eg: gold(au)
Molecules
2 or more atoms chemically bonded, eg: 2 molecules of oxygen
Compounds
2 or more different atoms chemically bonded, eg: H2O
Dalton's theory
-
-
-
-
In a chemical reaction, atoms are rearranged to make a new substance
In compounds, atoms of different elements are chemically bonded together.
Physical properties
substances can be described with their physical properties, such as:
colour, malleability, ductility, melting and boiling points, conduction of heat and electricity, density
-
-
-
-
-
-
