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المساهمات : 44 تاريخ التسجيل : 28/10/2012 العمر : 26 الموقع : zakho
| موضوع: ionic and covalent compounds worksheet الجمعة نوفمبر 16, 2012 12:23 am | |
| Define Chemical bond …………………………………………………………………………………………………………………………………………………………………………………………………… compounds………………………………………………………………………………………………………………………………………………………………………………… Ionic bond…………………………………………………………………………….. …………………………………………………………………………………………….. Crystal lattice… …………………………………………………………………….. ……………………………………………………………………………………………. Covalent compound… ……………………………………………………….. ………………………………………………………………………………………….. Molecule………………………………………………………………………………………………………………………………………………………………………………. compounds.………………………………………………………………………… …………………………………………………………………………………………..
Fill in the blank: 1-the direct method to to classify compounds depends on the type of …… ………………………… in these compounds. 2- … ………………………………. Are electrons in the outermost energy level of an atom. 3- the behavior of …… ……………………….. determines if an ionic compounds or covalent compounds is formed. 4- an …………… bond is an attraction between oppositely charged ions. 5- compounds that contain ionic bonds are called … ……….. compounds. 6- ionic compounds are formed by the reaction of a … …………… with a………………. 7-sodium chloride commolnly known as … ………………. Is an … ………. Compound. 8- ionic compounds tend to be …… ………….. at room temperature. 9- ionic compounds have high … ………….point. 10- many ionic compounds have high tendency to be … ……………. So they dissolve easily in water. 11- the sharing of electrons forms a … ……………. Compound. 12- the group of atoms that make up a covalent compound is called …… ……………… 13- many covalent compounds do not … ………….. well in water.
Answer? 1-what is the differnet between ionic and covalent compound. Make full comparision?
2- why ionic compounds are brittlness? 3- why ionic compounds have high melting points? 4- why mostionic compounds are solid at room temperature? 5- why most ionic compounds are soluble? 6- why do ionic solution conduct electric current?
7- why covalent copmpounds have low solubility?
8- why covalent compounds have low melting points? 9-talk about the electricity conductivity of covalent compounds (the types)?
??? what are the properties of ionic compounds??
??what are the properties of covalent compounds
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