write 4 characters of molecules
write in points
Answers
Explanation:
All molecules have a definite mass and size that are dependent on the atoms from which the molecule is made. The mass is equal to the sum of the masses of all the individual atoms in the molecular structure. The size is not only dependent on the atomic components of the molecule, but also on the arrangement of the atoms within the molecule and how tightly they are joined together.
When atoms join other atoms to form molecules, the chemical and physical properties of the compounds are different from those of the elements from which they were formed. These include such things as color, hardness, conductivity, state (solid, liquid, gas), etc. When letters are used to form new words, such as dog, God and good from the letters g, o and d, the meanings of the new words cannot be discovered by observing or studying either the letters g, o and d, or the other words. The new words formed have new and different meanings. This is also true when new molecules form. The properties of the new substances cannot be found by studying the properties of the elements from which they formed or the properties of other similar molecules.
The molecular formula for sugar is C6H12O6, which indicates that a sugar molecule is made up of six atoms of carbon, 12 atoms of hydrogen, and six atoms of oxygen. Carbon is an element that is black and often is found in powder form. It is well known as the major component of coal or the black that appears on burnt Figure 3. Structural formulas help differentiate between substances that share identical molecular formulas, such as ethyl alcohol and methyl ether. Illustration by Hans & Cassidy. Courtesy of Gale Group. toast. Pure hydrogen is a the lightest gas known and pure oxygen is a gas present in the air and needed for living things to breathe and for fires to burn. When these three substances chemically combine in the ratio of C6H12O6 to form sugar, which is a white, crystalline solid that has a sweet taste and is soluble in water, the properties of the sugar are unlike those of the pure elements from which it was formed. However, if sugar is reacted under extreme conditions (a chemical change), the original substances, carbon, hydrogen, and oxygen could be recovered.
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