AQA GCSE Chemistry - Atomic Structures All Answers Correct
1. What is the fundamental building block of all substances?
Answer: Atoms.
2. What defines an element?
Answer: An element is a substance composed of only one type of atom.
3. How many elements are recognized in the current scient...
AQA GCSE Chemistry - Atomic Structures All Answers Correct
1. What is the fundamental building block of all substances?
Answer: Atoms.
2. What defines an element?
Answer: An element is a substance composed of only one type of atom.
3. How many elements are recognized in the current scientific understanding?
Answer: There are approximately 100 known elements.
4. What is the comprehensive chart that organizes elements?
Answer: The periodic table displays all elements in a organized and systematic manner.
5. What proportion of the periodic table is occupied by metals?
Answer: Metals account for about three-quarters of the periodic table, from left to right.
6. How are elements grouped on the periodic table?
Answer: Elements with similar properties are grouped together into categories called groups or
columns.
7. How are these groups represented on the periodic table?
Answer: Each group is represented as a vertical column on the periodic table.
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