How to write an article gcse chemistry

Thermal decomposition of calcium carbonate to form calcium oxide and carbon dioxide. Potassium nitrate dissolving in water is an endothermic process.

How to write an article gcse chemistry

Matter is everything around you. Atoms and compounds are all made of very small parts of matter. Those atoms go on to build the things you see and touch every day.

Matter is defined as anything that has mass and takes up space it has volume. Mass is the amount of matter in an object.

You might have a small object with a lot of mass such as a statue made of lead Pb.

how to write an article gcse chemistry

You might have a large object with very little mass such as a balloon filled with helium He. You should also know there is a difference between mass and weight. Volume is the amount of space something occupies.

Words such as big, little, long, or short are used to describe volumes. A marble takes up a small volume while a star occupies a large volume.

Different states of matter will fill volumes in different ways. Even though matter can be found all over the Universe, you will only find it in a few forms states on Earth.

We cover five states of matter on the site. Each of those states is sometimes called a phase.

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There are many other states of matter that exist in extreme environments. Scientists will probably discover more states of matter as we continue to explore the Universe. Five States of Matter What are the main states of matter?

Everyone should know about solidsliquidsgasesand plasmas. Scientists have always known about solids, liquids, and gases. Plasma was a new idea when it was identified by William Crookes in The scientists Cornell, Ketterle, and Wieman who worked with the Bose-Einstein condensate received a Nobel Prize for their work in What makes a state of matter?

It's all about the physical state and energy in the atoms and molecules. Physical properties of a solid often include "hard" and "brittle.

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Gases are always around you, but the molecules of a gas are much farther apart than the molecules in a liquid. The BEC is all about atoms that are closer and less energetic than atoms in a solid.

Changing States of Matter What is a physical change in matter?

how to write an article gcse chemistry

Molecules can move from one physical state to another phase change and not change their atomic structure. Oxygen O2 gas has the same chemical properties as liquid oxygen. The liquid state is colder and denser less energybut the molecules are the same.

Water H2O is another example. A water molecule is made up of two hydrogen H atoms and one oxygen O atom. It has the same molecular structure whether it is a gasliquidor solid. Although its physical state may change because of different amounts of energy, its atomic structure remains the same.You can learn anything.

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Like many of the sciences, certain aspects of academic chemistry must be memorized, especially before taking an exam. Write 91%(88).

Writing Journal Articles C. David Sherrill School of Chemistry and Biochemistry Georgia Institute of Technology Updated May 1 Introduction These notes include some advice on how to write a paper for publication in a peer-reviewed journal. The goal of Sudoku is to fill in a 9×9 grid with digits so that each column, row, and 3×3 section contain the numbers between 1 to 9.

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