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pickupchik [31]
3 years ago
12

Which of the following is an alkali metal?

Chemistry
2 answers:
Veronika [31]3 years ago
7 0

Answer:

lithium is akali metal

Afina-wow [57]3 years ago
3 0

Answer:

lithium is an alkali metal as it lies in group 1st in modern perodic table.

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Choose the appropriate electron configuration for an element whose third shell contains six electrons.​
slamgirl [31]

For an element whose third shell contains six electrons, the appropriate electron configuration is; 1s2 2s2 2p6 3s2 3p4.

The electron configuration shows the distribution of electrons in the shells of an atom and in orbitals.

We have been told that the six electrons are found in the third shell. This shell has n=3 and the configuration of this shell must ns2 np4.

The only electron configuration that meets this standard is 1s2 2s2 2p6 3s2 3p4.

Learn more: brainly.com/question/18704022

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2 years ago
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