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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Size And Mass Of Atoms (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Size And Mass Of Atoms' from the broader topic Atomic Structure And The Periodic Table. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which statement about isotopes is correct for a given element?
Which of these best explains why atomic radii generally increase going down a group in the periodic table?
Which of these shows the correct relationship between mass number (A), proton number (Z) and neutron number (N)?
A sample contains 90.00% isotope A (mass 35) and 10.00% isotope B (mass 37). What is the relative atomic mass (Ar) of the element (to two decimal places)?
Which of the following correctly orders particles by approximate mass (largest to smallest)?
Why do ions of an element have a different mass to the neutral atom?
If 0.50 mol of carbon-12 atoms is present, how many atoms does this represent? (Avogadro constant = 6.02 × 10^23 mol-1)
Why is relative atomic mass on the periodic table often not a whole number?
Which of these statements correctly describes how the relative atomic mass (Ar) of an element is calculated when the element has two naturally occurring isotopes?
Which of the following experiments first led to the discovery of the electron?
Which statement about atomic structure is false?