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Атомы

Карточки по строению атома

QuestionAnswer
Сколько протонов в атоме F? 9
Сколько нейтронов в атоме F? 10
Сколько электронов в атоме Be? 4
Сколько электронов содержится на последнем энергетическом уровне атом CL? 7
Сколько неспаренных электронов содержит S? 2
Электронная формула 1s2 2s2 2p6 3s1 соответствует элементу (символ) Na
электронная формула 1s2 2s2 2p6 3s2 3p6 4s2 соответствует элементу (символ) Ca
Количество электронов на последнем уровне в ПС определяется номером.. ( в род. падеже) группы
Электронная конфигурация ...4s2 4p6 соответствует элементу... Kr
В ряду элементов K-Rb-Sr наиболее сильно выраженными металлическими свойствами обладает элемент ( символ) Rb
В ряду элементов O-F-CL наиболее сильно выраженными неметаллическими свойствами обладает элемент ( символ) F
В ряду элементов Na-Ca-AL-S амфотерными свойствами обладает элемент ( символ) AL
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