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объясните пожалуйста укажите заряд ядра иона который имеет в своем составе 36 электронов и 35 протонов а +36 +35 в-1 г+71
Ответы 1
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заряд ядра иона просто минус если количество электронов больше числа протонов то ион заряжен отрицательно если количество протонов больше числа электронов то ион заряжен положительноесли количество протонов и электронов одинаково то атом нейтрален
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Автор:
julien - 5 лет назад
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помогите с английским!
1 Report each sentence in Gary’s email.
Hi Ben,
I’m glad you’re getting better now. I’ve caught a cold too! I’ve been off school for two days. I’m really bored. Yesterday I finished reading the last Harry Potter book. I’ll give it to you when I see you.
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1 Gary said _____________________________
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2 Gary said _____________________________
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3 Gary said _____________________________
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4 Gary said _____________________________
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5 Gary said _____________________________
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6 Gary said _____________________________
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2 Report these direct questions starting with the words given.
1 ‘Where do you live?’
He asked me __________________________
_____________________________________.
2 ‘Have you seen Emma this morning?’
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3 ‘Where can I buy a newspaper?’
He asked me __________________________
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4 ‘Did you speak to Tony about the party?’
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3 Find and correct the mistakes in the sentences. There is one mistake in each sentence.
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2 What did you tell to Peter? He looks very upset.
3 I asked to Mary if she could help me with this exercise.
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3 C__________ novels are very popular. People love to read about murders!
4 By reading h__________ f__________ you can learn a lot about the past as well as enjoy a good story.
5 Complete the sentences with the correct kind of books.
1 You use a __________ in class to learn about a subject and do exercises in.
2 You need a __________ to tell you how to use a new piece of equipment.
3 People use a __________ to give them information about the sights to see in different cities.
4 A(n) __________ shows you where different countries in the world are.
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6 Complete the sentences with the correct prepositions.
in out down through
1 We had to cross _____ the wrong answers in the exercise.
2 I always flick _____ a book in the shop before I buy it.
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4 We have to fill _____ our university application forms soon.
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Предмет:
Английский язык -
Автор:
jonásweber - 5 лет назад
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Ответов:
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