Предмет: Химия, автор: kamilaslabun3

1. Вкажіть розподіл електронів по рівнях і підрівнях і напишіть електронні конфігурації атомів елементів: ● ● ● а) Натрію й Літію; б) Магнію й Хлору; в) Гелію та Неону; срочно!

Приложения:

Ответы

Автор ответа: mrsemenx
1

Ответ:

а) Натрій (Na): 1s² 2s² 2p⁶ 3s¹

  Літій (Li): 1s² 2s¹

б) Магній (Mg): 1s² 2s² 2p⁶ 3s²

  Хлор (Cl): 1s² 2s² 2p⁶ 3s² 3p⁵

в) Гелій (He): 1s²

  Неон (Ne): 1s² 2s² 2p⁶

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Hello! My name’s Jill Brown and I'm twelve years old. I'm from New York, the USA. I want to tell you about my family. My parents' names are Kate and John. My father is tall with fair hair. His eyes are green. His hobby is riding a bike. My mother is tall with short dark hair. Her eyes are brown. She likes snowboarding. I have got a brother and a sister. Their names are Tom and Helen. They are small. They're eight years old. They go to school. Their hobbies are playing football and reading books. Sarah and Mike are my grandparents. They are in their late sixties. Mike has got dark hair and his eyes are blue. Sarah has long blonde hair and her eyes are dark green. Their house is in the countryside. They like gardening and walking in the forest. Our family is nice and friendly. I love it very much. That’s all about me and my family. Please, write me soon and tell me about your family. Love, Jill Chose the correct possessive case. Примечание: При выборе ответа помните о правилах притяжательного падежа для нескольких подлежащих.


1)Tom and Helen's activities are gardening and snowboarding.

2)Sarah and Mike's activities are gardening and walking in the forest.

3)Sarah's and Mike's activities are gardening and snowboarding.

4)Sarah's and Mike's activities are gardening and walking in the forest.

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