Answer:
[Ar]3d⁷4s²is the ground state of Cobalt .
Cobalt has 27 as atomic number
So the first 18 is written as [Ar] at the start of its notation to shows that it was condense from 1s²2s²2p⁶3s²3p⁶ and written as this noble gas notation before the addition of the remaining 9 as3d⁷4s²
This element, cobalt is a ferromagnetic metal and is located in group VIII of the periodic table.
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nucleotides, and the polymer i think ......
The main reason is there isn’t enough sunny days for photosynthesis to occur.
Crossed-extensor reflex prevents you from falling when you suddenly lift one foot off the ground in response to pain.
- A withdrawal reflex is the crossed extensor reflex. In the withdrawing limb, the extensors relax while the flexors contract, but in the other limb, the opposite happens.
- This can be seen, for instance, when someone steps on a nail; the affected leg pulls away, while the other leg bears the weight of the entire body.
- Contralateral means that the crossed extensor reflex takes place on the side of the body that is opposite from the stimulus.
- Afferent nerve fiber branches travel from the stimulated side of the body to the opposite side of the spinal cord to cause this response.
- They make connections with interneurons there, which then stimulate or inhibit alpha motor neurons to he muscles of the contralateral limb.
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