Figure 1 shows the positions of eight elements in the modern periodic table - AQA - GCSE Chemistry - Question 1 - 2015 - Paper 3
Question 1
Figure 1 shows the positions of eight elements in the modern periodic table.
Choose the correct chemical symbols from Figure 1 to complete each sentence.
(a) The t... show full transcript
Worked Solution & Example Answer:Figure 1 shows the positions of eight elements in the modern periodic table - AQA - GCSE Chemistry - Question 1 - 2015 - Paper 3
Step 1
The two metals that react vigorously with water are .................. and ..................
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Answer
The two metals that react vigorously with water are Li (Lithium) and K (Potassium).
Step 2
The element used as a catalyst in the Haber process is ..................
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Answer
The element used as a catalyst in the Haber process is Fe (Iron).
Step 3
The two elements with five electrons in their outer shell (highest energy level) are .................. and ..................
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Answer
The two elements with five electrons in their outer shell are N (Nitrogen) and As (Arsenic).
Step 4
The other metal that has ions with different charges is .................. .
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Answer
The other metal that has ions with different charges is Cu (Copper).
