Magnesium nbsp-is an important constituent of chlorophyll nbsp-a- calculate the no- of electron and neutron nbsp- present in atom of magnesium nbsp-b-write its electronic configuration nbsp-c-what is its valency -

Atomic no. of Mg = 12, Electronic configuration is 2,8,2 which is expanded as : 1s2 2s2 2p6 3s2 nbsp; Number of electron = Number of proton = 12 Atomic ...

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Standard VIII

Chemistry

Ions

magnesium n...

Question

magnesium is an important constituent of chlorophyll
a) calculate the no. of electron and neutron present in atom of magnesium
b)write its electronic configuration
c)what is its valency ?

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Solution

Atomic no. of Mg = 12, Electronic configuration is 2,8,2 which is expanded as : 1s² 2s² 2p⁶ 3s²

Number of electron = Number of proton = 12

Atomic mass of magnesium = 24

Number of neutron = Atomic mass - Number of proton = 24 - 12 = 12

Its valency is 2

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magnesium is an important constituent of chlorophyll a) calculate the no. of electron and neutron present in atom of magnesium b)write its electronic configuration c)what is its valency ?

Atomic no. of Mg = 12, Electronic configuration is 2,8,2 which is expanded as : 1s2 2s2 2p6 3s2 Number of electron = Number of proton = 12 Atomic mass of magnesium = 24 Number of neutron = Atomic mass - Number of proton = 24 - 12 = 12 Its valency is 2 Regards

magnesium is an important constituent of chlorophyll
a) calculate the no. of electron and neutron present in atom of magnesium
b)write its electronic configuration
c)what is its valency ?

Atomic no. of Mg = 12, Electronic configuration is 2,8,2 which is expanded as : 1s² 2s² 2p⁶ 3s²

Number of electron = Number of proton = 12

Atomic mass of magnesium = 24

Number of neutron = Atomic mass - Number of proton = 24 - 12 = 12

Its valency is 2

Regards