Representing Chemical Change (Grade 10 NSC Matric Physical Sciences): Flashcards

Chemical reaction described using element symbols

Sentence form, word equation, chemical symbols

Substances on left of arrow; starting materials

Substances on right of arrow; formed from reaction

Direction of reaction; reactants convert to products

Abbreviated element representations (1-2 letters)

At least first 36 elements plus common ones

Shows atoms making up a particular compound

Number of atoms of each element in compound

2 hydrogen atoms and 1 oxygen atom