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Look at this diagram of a methane molecule. Which statement about methane is correct? - A) Electrons are transferred from hydrogen atoms to carbon atoms. - B) The covalent bonds in methane are weak.
(didn't fit:)C) The force of attraction between methane molecules is weak. D) The ionic bonds between carbon and hydrogen are very strong.Answer: C
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Shivani K.
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Chemistry tutor
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Please describe how temperature, concentration and the use of a catalyst affects rate of reaction.
For a reaction to be successful two atoms need to collide with a sufficient amount of energy (activation energy). Raising the temperature increases the amount of kinetic energy that the atoms have, which mea...
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Georgie S.
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Chemistry tutor
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Explain the principle behind chemically reactive and inert molecules
Electronegativity. Molecules with atoms which possess an almost full outer shell will always be seeking to draw in the extra electron(s) to fill up their outer shells.Likewise molecules with atoms which have...
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Irtiza S.
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Chemistry tutor
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Describe the structure, bonding and properties of diamond
Diamond has a giant covalent lattice structure. Each carbon atom forms a strong covalent bond with 4 other carbon atoms (forms 4 covalent bonds). As a result this makes diamond a hard structure.Diamond has a...
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Hannah O.
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Chemistry tutor
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How can chromatography be used to identify substances?
Chromatography can be used to determine the RF value of an unknown substance. This RF value when cross-referenced with already known RF values can then be used as a guide to find out a potential range of sub...
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Sam W.
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Chemistry tutor
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