Жауабы: What is (are) true for alkali metals? I. They are good conductors of electricity. II. They
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Бланкке: таңдалған нұсқа нөмірі.
What is (are) true for alkali metals?
I. They are good conductors of electricity.
II. They are solid and it is hard to cut with a knife.
III. They react vigorously with water to give an alkaline solution and hydrogen.