The atomic symbols of the first twenty elements in the periodic table are shown in Figure 3 - Edexcel - GCSE Chemistry - Question 2 - 2016 - Paper 1
Question 2
The atomic symbols of the first twenty elements in the periodic table are shown in Figure 3.
From the position of beryllium, Be, in the periodic table, beryllium is... show full transcript
Worked Solution & Example Answer:The atomic symbols of the first twenty elements in the periodic table are shown in Figure 3 - Edexcel - GCSE Chemistry - Question 2 - 2016 - Paper 1
Step 1
From the position of beryllium, Be, in the periodic table, beryllium is most likely to be a
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Answer
Beryllium (Be) is located in the second group of the periodic table, indicating it is an alkaline earth metal. Therefore, the correct answer is A: metal.
Step 2
Give the symbol of the element that is in period 2 and in group 3.
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Answer
The element in period 2 and group 3 of the periodic table is represented by the symbol 'B', which stands for boron.
Step 3
State the number of electron shells in an atom of potassium, K.
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Answer
Potassium (K) is located in period 4 of the periodic table, which indicates that it has 4 electron shells.
