By how many atomic mass units do subsequent members of homologous series differ?
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What is the valency of magnesium?
If a solution turns blue litmus red, its pH is likely to be
What is the number of atoms constituting a molecule known as?
An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is
Identify a use of the isotope of uranium.
Which of the following meals is NOT obtained by reduction using carbon?
____ is the process in which acids and bases react to form salts and water.
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