Check All the Characteristics Below That Describe Compounds.

Copper Cu gold Au oxygen O hydrogen H etc. Elena makes the table below to determine the number of atoms of each element in the chemical formula 3NH42SO4.

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The properties of compound are different from the properties of the elements from which it is formed.

. Read the definitions below then write the key term for each one. An ionic bond between oppositely charge ions. _____ a change in size shape or state of matter.

An element is defined as a pure substance. A Distilled water does not conduct electricity. All these elements are made of a single type of atom only.

4-Each compound is composed of. _____ a characteristic that can be observed without changing the substance. A compound is formed as a result of chemical reaction between the constituent elements.

Characteristics of Compounds and Mixtures. Check all that apply. The transfer of electrons from the metal to the non-metal.

One type of atom. Each element is made of one type of particle only which can be an atom or a molecule. An ionic bond between oppositely charge ions.

The figure below shows three experiments in which two electrodes that are connected to a light bulb are placed in beakers containing three different substances. Covalent compounds tend to be more flammable than ionic compounds. They show the elements that make up a compound.

Generally in nonelectrolytes 4. _____ a change of one substance to another. Another characteristic property of ionic compounds is their electrical conductivity.

Check all that apply. Carbon C hydrogen H oxygen O nitrogen N phosphorus P sulfur S In the box provided explain why living organisms contain more hydrogen atoms than any other atoms yet 65 of a typical organisms mass is oxygen. The transfer of electrons from the metal to the non-metal.

Water H 2 O is a compound made up of two. Elements Elements constitute the simplest chemical substances in which all the atoms are exactly the same. Low melting point 5.

Compounds Compounds are chemical substances made up of two or more elements that. A compound is a substance made up of two or more elements chemically combined in a fixed proportion by mass. Carbon and hydrogen have comparable electronegativies so they are found together.

Which statements describe how chemical formulas such as H2O represent compounds. The elements are in a set ratio. Some characteristics of compounds are made up of 2 or more elements can be separated only chemically not physically and the have definite proportions.

Compounds have all of the characteristics of the elements that form themPlease select the best answer from the choices provided T F Weegy. All of the above. Elements and compounds are the two forms in which pure substances exist.

The number of electrons lossed or gained by each ion. Compounds have all of the characteristics of the elements that form themFALSE. Which are characteristics of carbon.

Check all that apply. 3-Compounds can be broken down into simpler substances by physical means. Rapid reaction rate 6.

_____ a characteristic that indicates whether a substance can change to another substance. _____ the separaration of substances in a mixture using. 1-Compounds can be broken down into simpler substances by chemical means.

Many flammable substances contain hydrogen and carbon atoms which can undergo combustion a reaction that releases energy when the compound reacts with oxygen to produce carbon dioxide and water. What are substances that have the same composition but different structures known asa. Can be separated by physical means.

2-Each compound is composed of one type of molecule. Hydrogen has only one proton and no neutrons and so has an atomic number of 1 and a mass of 1.

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