Equations (AQA GCSE Chemistry Combined Science): Flashcards
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Compounds are represented using
Compounds are represented using
A formula made up of symbols of elements
No. of elements in
No. of elements in
2
No. of atoms in
No. of atoms in
2 (1 Na, 1 Cl)
No. of atoms in
No. of atoms in
3 (2 Na, 1 O)
No. of atoms in
No. of atoms in
7 (2 Na, 1 S, 4 O)
No. of atoms in
No. of atoms in
5 (1 Ca, 1 C, 3 O)
Elements in calcium carbonate
Elements in calcium carbonate
Ca, C, O
Total atoms in
Total atoms in
15
Hydrogen atoms in
Hydrogen atoms in
8
Nitrogen atoms in
Nitrogen atoms in
2