Chemistry 5070 · O Level · Arrangement of elements

Arrangement of elements — practice question

Selenium is in Group VI and gallium is in Group III. What prediction can be drawn from this information?

  • AA gallium atom has three more protons than a selenium atom.
  • BGallium is more likely to form negative ions than selenium.
  • CSelenium atoms have fewer valence electrons than gallium atoms.
  • DSelenium has more non-metallic character than gallium.

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