The positions of ten elements are shown in the outline periodic table - Edexcel - GCSE Chemistry - Question 1 - 2016 - Paper 1
Question 1
The positions of ten elements are shown in the outline periodic table.
The letters are not the symbols of the elements.
(a) Use the letters given in the table to id... show full transcript
Worked Solution & Example Answer:The positions of ten elements are shown in the outline periodic table - Edexcel - GCSE Chemistry - Question 1 - 2016 - Paper 1
Step 1
Identify the element that is a noble gas.
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Answer
The element that is a noble gas is Z, which corresponds to Xenon (Xe). Noble gases are known for their lack of reactivity due to their full valence shells.
Step 2
Identify three elements that are in the same period.
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Answer
The three elements that are in the same period are E, G, and J. These elements belong to the same row in the periodic table, indicating that they share the same number of electron shells.
Step 3
Identify which element reacts with hydrogen.
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Answer
The element that reacts with hydrogen to form a compound that dissolves in water to give an acidic solution is element R. This suggests that it is likely a non-metal, capable of forming an acid when combined with hydrogen.
