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Complete the table to show the relative mass of a neutron and an electron - Edexcel - GCSE Chemistry - Question 5 - 2015 - Paper 1
Question 5
Complete the table to show the relative mass of a neutron and an electron. | particle | relative mass | |-----------|---------------| | proton | 1 |... show full transcript
Worked Solution & Example Answer:Complete the table to show the relative mass of a neutron and an electron - Edexcel - GCSE Chemistry - Question 5 - 2015 - Paper 1
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Identify different parts of the periodic table and explain how the position of an element in the periodic table is linked to its chemical properties and atomic structure.
Answer
The periodic table is divided into groups and periods:
Groups
- Vertical columns that contain elements with similar properties.
- Elements in the same group have the same number of valence electrons, influencing their reactivity.
Periods
- Horizontal rows that indicate the number of electron shells.
- As you move across a period, elements exhibit a gradual change in properties due to increasing atomic number.
Conclusion
- The position of an element in the periodic table reflects its electronic configuration, which in turn determines its chemical behavior and reactivity.