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melisa1 [442]
3 years ago
5

two forms of solid carbon diamond and graphite different in their physical properties due to the differences in their

Chemistry
1 answer:
kirill [66]3 years ago
8 0
Structure (to finish off sentence) as the carbon in the diamond uses all four bonds. Whilst the graphite only uses 3 to bond to other carbon atoms whilst the fourth is held between the layers of graphite, which also allows it to conduct electricity. 
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Give explanations for the large drops in melting point from C to Si and from Ge to Sn.
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As we move down the group, the metallic bond becomes more stable and the formation of forming covalent bond decreases down the group due to the large size of elements.

Covalent and metallic bonding leads to higher melting points. Due to a decrease in attractive forces from carbon to lead there is a drop in melting point.

Carbon forms large covalent molecules than silicon and hence has a higher melting point than silicon.

Similarly, Ge also forms a large number of covalent bonds and has a smaller size as compared to that of Sn. Hence melting point decreases from Ge to Sn.

The order will be C>Si>Ge>Pb>Sn.

To learn more about the covalent bond, visit: brainly.com/question/10777799

#SPJ4

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zheka24 [161]

3. Plasma

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Y_Kistochka [10]
I believe it is either A or B
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\huge{\underline{\underline{\underline{\sf{\pink{ムɳรᏇɛƦ \: ࿐}}}}}}

<h2><em><u>Alkali </u></em><em><u>metal</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em></h2>

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