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Lesson Sequence |
Previous Lesson | Next Lesson |
| C1 part 1 | C1 Lesson 5 Balanced Symbol Equation | C1 Lesson 7 Conservation of mass |
| Year 9 |
Learning outcomes and Specification reference[]
| C1.1.3 Chemical reactions | C1 Lesson 6 Bonds | ||
| a | When elements react, their atoms join with other atoms to form compounds. This involves giving, taking or sharing electrons to form ions or molecules | Describe the electron arrangements of sodium and chlorine. | |
| Compounds formed from metals and non-metals consist of ions. | Describe how an electron is transferred to chlorine from sodium to form two charged particles called ions that attract each other. | ||
| Know that compounds made from a metal and a non-metal are made from ions. | |||
| Compounds formed from non-metals consist of molecules. In molecules the atoms are held together by covalent bonds. | Know that non-metal compounds are made from molecules, held together by covalent bonds. | ||
Full Specification Text[]
a) When elements react, their atoms join with other atoms to form compounds. This involves giving, taking or sharing electrons to form ions or molecules. Compounds formed from metals and non-metals consist of ions. Compounds formed from non-metals consist of molecules. In molecules the atoms are held together by covalent bonds.
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