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Questions and Answers
What dominates most chemical properties of elements in a group?
What dominates most chemical properties of elements in a group?
- The number of electrons in the outermost shell (correct)
- The core charge of the atoms
- The number of protons in the nucleus
- The atomic mass of the elements
Which organization recommended the modern numbering system for groups in the periodic table?
Which organization recommended the modern numbering system for groups in the periodic table?
- Chemical Abstract Service (CAS)
- European Union of Chemistry (EUC)
- International Union of Pure and Applied Chemistry (IUPAC) (correct)
- United States Chemical Society (USCS)
Which of the following was NOT a naming scheme for groups in the periodic table before 1988?
Which of the following was NOT a naming scheme for groups in the periodic table before 1988?
- American naming scheme
- Chemical Abstract Service (CAS)
- European naming scheme (correct)
- International Union of Pure and Applied Chemistry (IUPAC)
How many systems of group numbering are there for the groups in the periodic table?
How many systems of group numbering are there for the groups in the periodic table?
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What are the names of the blocks in the periodic table?
What are the names of the blocks in the periodic table?
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Who is credited with first using the term 'block' in relation to the periodic table?
Who is credited with first using the term 'block' in relation to the periodic table?
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What do the block names (s, p, d, f) represent?
What do the block names (s, p, d, f) represent?
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What do the s-block and p-block together usually correspond to?
What do the s-block and p-block together usually correspond to?
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What do the d-block and f-block correspond to?
What do the d-block and f-block correspond to?
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