9. Select three elements that are in the same period in the Periodic Table of Chemical Elements by D. I , Mendeleev , and arrange the selected elements in ordér of increasing metallic properties. 1) Ca 2) Al 3) Se 4) Sn 5)Ge Answer (score:1):

Question

9. Select three elements that are in the same period in the Periodic Table of Chemical Elements by D. I , Mendeleev , and arrange the selected elements in ordér of increasing metallic properties. 1) Ca 2) Al 3) Se 4) Sn 5)Ge Answer (score:1):

Answer 1

The three elements that are in the same period in the Periodic Table of Chemical Elements by D. I. Mendeleev are:1) Aluminum (Al)2) Germanium (Ge)3) Calcium (Ca)Arranging these elements in order of increasing metallic properties, we get:1) Aluminum (Al)2) Germanium (Ge)3) Calcium (Ca)

Вопрос

9. Select three elements that are in the same period in the Periodic Table of Chemical Elements by D. I , Mendeleev , and arrange the selected elements in ordér of increasing metallic properties. 1) Ca 2) Al 3) Se 4) Sn 5)Ge Answer (score:1):

Решения

Ответ