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Introducción to Biochemistry: Mastery Test
1
Select the correct answer.
Why might two elements possess similar chemical properties?
ОА.
They belong to the same group of the periodic table.
OB. They have the same physical state.
OC. They have similar physical properties.
OD. They belong to the same period of the periodic table.
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quasarJose

Answer:

А.  They belong to the same group of the periodic table.

Explanation:

Two elements possess similar chemical properties if they belong to the same group on the periodic table.

What determines the chemical properties of elements;

→ the number of valence electrons an element contains determines its chemical properties.

  • On the periodic table, groups are vertical arrangement of elements.
  • Periodic groups classifies elements into groups based on the number of valence electrons they contain.
  • So, elements in the same group will have the same number of valence electrons and hence similar chemical properties.

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