Предмет: Химия, автор: udumyan00

Запишите формулы и определите тип химической связи в следующих веществах: бромид магния, бромоводородная кислота, бром, оксид алюминия, сульфид алюминия

Ответы

Автор ответа: fazualzvzv

Ответ:

MgBr2 - ионная

HBr - ковалентная полярная

Br2 - ковалентная неполярная

Al2O3 - ионная

Al2S3 - ионная

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: Аноним

срочно пришлите пожалуйста ответ

1 год назад

Предмет: Қазақ тiлi, автор: kakho2005

про склоняйте слово актобе на казахском языке срочно пожалуйста прошу вас

1 год назад

Предмет: Английский язык, автор: mrlukecage

Постройте предложение, выбрав одно из предложенных.
1. often — the cinema — we — go — to.
a) The cinema often go we to.
b) We go to the cinema often.
c) Go to the cinema we often.
d) We often go to the cinema.
2. the table — and — there — on — is — two— pens — a book.
a) On the table there is two pens and a book.
b) There is two pens and a book on the table.
c) There is a book and two pens on the table.
d) There on the table two pens is and a book.
3. last — year — this — institute — I — entered.
a) I entered this institute last year.
b) I last year this institute entered.
c) This institute last year I entered.
d) Entered I last year this institute.
4. test — not — long — our — will — take.
a) Our test not long will take.
b) Not long will our test take.
c) Our test will not take long.
d) Will take not long our test.
5. the tourists — for — already — left — Moscow.
a) The tourists have already left for Moscow.
b) For Moscow have already the tourists left.
c) The tourists for Moscow left have already.
d) The tourists have left for Moscow already.
6. like — today's — she does — weather?
a) She does like today's weather?
b) Does she like today's weather?
c) Does today's weather she like?
d) Does like today's weather she?
7. you — English — speak — can?
a) English can speak you?
b) Can English you speak?
c) You can speak English?
d) Can you speak English?
8. do — where — live — you?
a) Where you do live?
b) Where do live you?
c) Where do you live?
d) Where live do you?
9. tell — didn't — me — you — the truth — why?
a) Why you didn't tell me the truth? . b) Why didn't you tell me the truth?
c) Didn't you tell me the truth why?
d) Didn't why tell me you the truth?
10. Dr. Watson — not — big— cities— did — like.
a) Dr. Watson did not like big cities.
b) Dr. Watson not like did big cities.
c) Did not Dr. Watson big cities like.
d) Big cities did not Dr. Watson like.

1 год назад

Предмет: Математика, автор: aytekin13

Длина одной стороны прямоугольника больше длины другой в 3 раза,а периметр равен 24 см.Найди его стороны

7 лет назад

Предмет: Английский язык, автор: oblupina82

Помогите пожалуйста срочно! английский язык 2 класс

7 лет назад