Предмет: Химия, автор: FaStus

Укажите пары элементов, которые имеют одинаковое: (3 правильных)
число протонов; число электронных слоев; число валентных электронов
1) магний и алюминий
2) железо и свинец
3) сера и селен
4) углерод и водород
5) дейтерий и тритий
6) протий и родий

Ответы

Автор ответа: feoksi1

число протонов- 5)
число єлектронніх слоев - 1)
число валентн єлектронов- 3)

Похожие вопросы

Предмет: Английский язык, автор: kirani0

Exercise 4 (15 points).

Fill in the gaps with one of the words:

find out, fairy-tale, old-fashioned, scientific work, must-read, instruments, detective novel, belongs to, written, main character

What books do teens read?

Reading has always been one of the most enjoyable things among people. No matter which century we live in, reading is never (1) _______. The only things that gradually change are the way we read and the (2) _______ we use. In fact, modern technology promotes reading especially among teenagers.

But what books do teenagers read? Here we provide (3) _______ books that teens will like.

Detective stories

Crime novels get younger readers adsorbed as everybody wants to (4) _______ the required evidence and the murderer. And in the top list of detective stories popular among teenagers is certainly “Sherlock Holmes ” by Arthur Conan Doyle.

One more (5) _______ that many teenagers enjoy reading is “The Diamond Thief” by Sharon Gosling. It is about 16- year-old girl Remy who performs on the circus trapeze. But she also wanders through the backstreets of the city as a jewel thief.

Science Fiction

One of the most popular books among science fiction is “Binti” by Nnedi Okorafor. The main hero is Binti, who (6) _______ the Himba ethnic group on Earth. She is the first person of her ethnic group that is accepted into Oomza University, which is the finest institution of higher learning in the galaxy. The world she wants to join has warred with the Meduse, an alien race that has become the stuff of nightmares. In order to survive, Binti needs both the gifts of her people and the knowledge gained within the University.

“A Wrinkle in Time” is a novel (7) _______ by American author Madeleine L’Engle. It is a story of 13-year-old Meg Murry, who is a daughter of two scientists. Meg’s father is missing and she finds out that her father was working on a confidential (8) _______ when he disappeared. Soon Meg, her younger brother and their classmate take up the searching for her father throughout the wrinkles of time and space.

Adventure

“Beauty and the Teenage Beast” by Tarrah Montgomery is in the list of the most famous adventure books among teens. The (9) _______ of the book is a teenage girl named Belinda. One day she finds a magic door in her bedroom that opens to a (10) _______ land called Fenmore Falls. Belinda takes her sister Hallie through the magic door. Hallie accidentally destroys a rose garden. The owner of the garden gets very angry but hides in the shadows. Belinda sends Hallie back through the magic door but is captured and ordered to repair the garden.

Помогите пожалуйста!!!

6 лет назад

Предмет: Английский язык, автор: kistockinaleksandr

СРОЧНО НУЖНО ПЖЖЖ!!!
complete with the correct word derived from the word in brackets
complete with:spicy grab social play blow

6 лет назад

Предмет: Другие предметы, автор: jon488

ТОО «Баглан» реализовало горюче-смазочные материалы в розницу юридическим лицам:
– бензина – 425 тонн
– дизтопливо – 310 тонн.
Начислить акциз по действующим ставкам.