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Questions and Answers
What is a key difference between Group A and Group B in the periodic table?
What is a key difference between Group A and Group B in the periodic table?
- Group A elements have a full outer shell of electrons, while Group B elements do not (correct)
- Group A elements are metals, while Group B elements are non-metals
- Group A elements have a higher atomic number than Group B elements
- Group A elements have a lower electronegativity than Group B elements
Which characteristic distinguishes Group B elements from Group A elements in the periodic table?
Which characteristic distinguishes Group B elements from Group A elements in the periodic table?
- Group B elements have a lower atomic mass than Group A elements
- Group B elements are all gases, while Group A elements are all solids
- Group B elements have variable valence electrons, while Group A elements have a fixed number of valence electrons (correct)
- Group B elements have a higher reactivity than Group A elements
What is a common trend in the physical properties of Group A and Group B elements in the periodic table?
What is a common trend in the physical properties of Group A and Group B elements in the periodic table?
- Group A elements tend to form ionic compounds, while Group B elements tend to form covalent compounds
- Group A elements tend to have higher electronegativity than Group B elements (correct)
- Group A elements tend to be more malleable and ductile than Group B elements
- Group A elements tend to have lower melting and boiling points than Group B elements
