Предмет: Химия, автор: veronika6339

СРОЧНО ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!!!!!

2.Визначте кількість протонів і нейтронів в нуклідах. Фосфор-32, Кальцій - 40,

Ответы

Автор ответа: tkuznecova0303

1

Фосфор: протонів 15, нейтронів 16

Кальцій: протонів 20, нейтронів 20

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Физика, автор: SebastianTomatov

какой элемент образуется из 238/92 U при бомбардировке медленным нейроном

1 год назад

Предмет: География, автор: ggfrost1kgg

Заповніть таблицю! Даю 100б!
Будь ласка , дуже треба!!

1 год назад

Предмет: Английский язык, автор: sikidaivan

1. 2. 3. 4. 10. Each of the sentences below is either true or false. Put "T" if the sentence is correct. Put "F" if it is false, find the mistake and correct it. Then with coloured pencils lightly shade only the numbers of the correct sentences and you'll get a result of your knowledge. 5. 6. 7. 8. winter. (Dau 9. 10. What a beautiful view! I'm having a great time here in Scotland. Can you name two of sports the English like most? Oh, er... it's easy football and rugby. Jack's favourite TV programmes are about wildlife and sports. How often do you watch TV programmes about wildlife and sports? My friend like school but he don't like PE. As for me I'm fond of English and Geography as I can learn much about the UK and other foreign countries. Have you got the letter from London? It has been written by Jack. He wants to make friends with you. What do you going to do next summer, Olia? I have no idea. It depend on my parents. Perhaps, we'll go abroad. 11. 12. If we have enough money, we'll go to London. 13. Oh, yes. It is worth visiting London. You'll be excited greatly. There are a lot of places of interest to see in London. 14. Does you know much about England? 15. Unfortunately, not so much. 16. If you want you'd have enough time to get some new information. 17. I'd like to get the information about the season when the weather isn't the worst in the year. 18. You know I don't like bad weather because I feel depressed and anxious. 19. Oh, don't worry. The English are very hospitable. But don't forget about the greeting etiquette in Britain. 20. A handshake is the most common form of greeting among the English and British. 21. You have to say, "How do you do?" 22. And only when you meet friends whom you haven't seen for a long time you can kiss each other. 82

1 год назад

Предмет: Русский язык, автор: marchinayulia04

найти антоним к слову рассказчик

6 лет назад

Предмет: Химия, автор: kesha200512

Отметь элементы одного периода:

фосфор
гелий
аргон
свинец
литий
алюминий

6 лет назад