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How do you identify molecules?Are these an atom or molecule: Cl2, Br2, I2, P4, N2

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Chemistry is basically the study of properties, composition or structure of matter along with the chemical and physical modifications undergone by matter. This applies to all aspects of life like food, clothes, gas, drugs and many more.

Anything occupying a mass is matter. So you need to learn chemistry as it is the central science. This has indefinite shape and volume. This has indefinite shape but definite volume. The molecules are bonded close to one another, but can move still pretty fast less than gas. This has definite shape and volume. The molecules are closely bonded and comparatively rigid.

Matter can also be classified as either a mixture or a pure substance. Mixtures may be homogeneous or heterogeneous by nature. Pure substances are either elements or compounds. Homogeneous mixtures are also known as solutions. You may think of liquids when your hear about solution, but factually solutions can exist as solids, liquids and gases.

With our Measurement and Matter assignment help service all your basic requirement will be fulfilled. Chemists can measure properties of matter and convert this measurement to quantities. A quantity is defined as amount of something and has a number and a unit. D They are destroyed. A At a higher temperature, the particles have a higher average kinetic energy.

B At a higher temperature, the volume of the gas is smaller. C At a lower temperature, there are more particles in the gas. D At a lower temperature, the particles in the gas move faster. A The water molecules must lose energy and stop moving.

B The water molecules must exert less pressure on their container. C The water molecules must gain kinetic energy. D The water molecules must lose heat and gain volume. C increases then decreases. D does not change. A They are the result of a single experiment. B They are the results of many experiments over a long period of time.

C They are proposed by scientists who wish to investigate a new topic. D They are only based on the most recent evidence. Are you sure you want to delete this answer? Learn to earn an decent adult living.

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