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 i... 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
the element that is a noble gas
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Answer
The noble gas among the elements is represented by the letter Z. In the periodic table, noble gases belong to Group 18, which includes elements like xenon.
Step 2
three elements that are in the same period
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Answer
The three elements that are in the same period can be identified as E, G, and J. These elements share the same row in the periodic table, indicating that they have the same number of electron shells.
Step 3
Which element reacts with hydrogen to form a compound that dissolves in water to give an acidic solution?
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Answer
The element that reacts with hydrogen to form an acidic compound that dissolves in water is represented by the letter R. Typically, non-metallic elements can react with hydrogen to form acids, and in this context, element R fulfills that role.
