Ольга Используем таблицу Менделеева. Находим атомную массу элемента и умножаем на количество атомов данного элемента в молекуле. Так для каждого входящего в молекулу элемента — затем суммируем.
Например: M(N2) = 2 * 14 = 28, т. к. атомная масса азота по таблице = 14
Задание
Развернуть задание
Complete the exchanges.
1. A: They say that global warming will cause climate change and floods.
B: Well, maybe all …….. .
2. A: I heard the other day that mountain gorillas will soon disappear.
B: That doesn't bear …….. .
3. A: You're soaking wet!
B: I got caught …….. .
4. A: Strange weather for the time of year!
B: I know it's …….. .
1. A: They say that global warming will cause climate change and floods.
B: Well, maybe all …….. .
2. A: I heard the other day that mountain gorillas will soon disappear.
B: That doesn't bear …….. .
3. A: You're soaking wet!
B: I got caught …….. .
4. A: Strange weather for the time of year!
B: I know it's …….. .
Развернуть задание
Новое решение
Решение
1. A: They say that global warming will cause climate change and floods.
B: Well, maybe all is not lost (не все потеряно).
2. A: I heard the other day that mountain gorillas will soon disappear.
B: That doesn't bear thinking about (страшно подумать).
3. A: You're soaking wet!
B: I got caught in the rain (попал под дождь).
4. A: Strange weather for the time of year!
B: I know it's freezing (очень холодно).
B: Well, maybe all is not lost (не все потеряно).
2. A: I heard the other day that mountain gorillas will soon disappear.
B: That doesn't bear thinking about (страшно подумать).
3. A: You're soaking wet!
B: I got caught in the rain (попал под дождь).
4. A: Strange weather for the time of year!
B: I know it's freezing (очень холодно).
1. A: They say that global warming will cause climate change and floods.
B: Well, maybe all is not lost (не все потеряно).
2. A: I heard the other day that mountain gorillas will soon disappear.
B: That doesn't bear thinking about (страшно подумать).
3. A: You're soaking wet!
B: I got caught in the rain (попал под дождь).
4. A: Strange weather for the time of year!
B: I know it's freezing (очень холодно).
B: Well, maybe all is not lost (не все потеряно).
2. A: I heard the other day that mountain gorillas will soon disappear.
B: That doesn't bear thinking about (страшно подумать).
3. A: You're soaking wet!
B: I got caught in the rain (попал под дождь).
4. A: Strange weather for the time of year!
B: I know it's freezing (очень холодно).