Презентация Азот и его свойства для 9 класса

This element is in the 5 group in the 2 period . What element is it ?

Let's take the topic of our lesson

Nitrogen and its properties

Lesson objectives :

- to study the structure of nitrogen and its properties

Terminology and phrases

Nitrogen

Азот

Structure

Структура

Physical properties

Физические свойства

Chemical properties

Химические свойства

Ammonia

Аммиак

Nitrogen can react with ... is formed …

Азот может реагировать с … образуется …

colorless

Бесцветный

without smell

Без запаха

by volume

По объему

insoluble in water

Не растворим в воде

ball-rod models

Шаростержневые модели

Triple bond

Тройная связь

Work in pairs Complete the table :

Symbol

Molecular formula

Atomic number

Possible oxidation states

Period , group

Relative atomic mass

The number of electrons, protons and neutrons

Electronic formula

Physical properties

Signal cards

Understood everything, I am ready

I did not understand something

Not done everything yet

Not ready, not understood

Laboratory work № 11 "Model of a nitrogen molecule"

The task :

Write the electronic formula

of the nitrogen atom ;

2. Make a Lewis diagram of

a nitrogen molecule

Build a nitrogen molecule model using ball-rod models

Chemical properties of nitrogen

Nitrogen can react with ... is formed …

H2 NH3

Metals metal nitride

O2 nitrogen oxides

Write down the reaction equations

Nitrogen production

1. In industry, nitrogen is obtained by evaporating liquid air .

O 2

N 2

Air

T est