consult a periodic table to find out what the symbols are for the following elements:silicon,aluminium,magnesium,iron,calcium and sodium

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To find the symbols for the elements silicon, aluminium, magnesium, iron, calcium, and sodium, you can consult a periodic table. Here are the steps to do so:

1. Open a web browser or grab a physical copy of a periodic table.
2. Look for the element silicon. It is usually found on the left side of the periodic table in the third row. The symbol for silicon is "Si".
3. Locate the element aluminium. Aluminium is also found on the left side of the periodic table, in the third row. The symbol for aluminium is "Al".
4. Find the element magnesium. It is found on the left side of the periodic table, in the second row. The symbol for magnesium is "Mg".
5. Locate the element iron. Iron is usually found in the middle of the periodic table, in the fourth row. The symbol for iron is "Fe".
6. Find the element calcium. Calcium is located on the left side of the periodic table, in the fourth row. The symbol for calcium is "Ca".
7. Lastly, locate the element sodium. Sodium is also found on the left side of the periodic table, in the third row. The symbol for sodium is "Na".

By following these steps and consulting a periodic table, you can quickly find the symbols for the elements silicon, aluminium, magnesium, iron, calcium, and sodium.