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What a molecule is, and the difference between molecules and compounds?
A molecule is made up of two or more atoms combined chemically. The atoms can be of the same element, as in oxygen gas (O2), or two or more different elements combined, as in water (H20). By contrast, a compound is made up of two or more different elements combined.
Another way to see the distinction is that molecules represent a larger category in the classification of matter. A molecule can be any combination of two or more atoms. By contrast, a compound must be composed of at least two different elements; therefore, compounds are a subset of molecules.
Freezing by Contact with a Cooled Solid-Plate Freezing In this method, the product is sandwiched between metal plates and pressure is usually applied for good contact. Plate
Define the Rate and Depth of Breathing Do you know what the normal rate of breathing in adults is and what are the factors on which it depends? Well, the normal rate of respira
INTRODUCTION : By doing this exercise, you will learn how to deal with emergency situations arising out of laboratory accidents. You are aware that a tense situation arises once a
similarity between granite and rhyolite
_____ are often responsible for clogging pores and causing pimpiles
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how can isolated brown dwarf passing between another star and the earth could be detected?
To show that soil contains air:- Place some soil in a glass jar or bottle and slowly pour water over it. Observe the air bubbles that increase by the water from the soil.
characteristics which help classify the members of the protozoan kingdom
The digestive system is made up of two groups of organs: Alimentary tract, which includes mouth, pharynx, oesophagys, stomach, small intestine, large intestine, appendix
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