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Why does the first ionisation energy increase across period 3?

The 1st ionisation energy is defined as the energy required to remove the outermost electron from one mole of gaseous atoms, forming one mole of gaseous 1+ ions. Moving from left to right the proton numb...

HP
Answered by Hamish P. Chemistry tutor
1784 Views

What are the advantages and disadvantages of sexual reproduction?

Sexual reproduction has many evolutionary advantages. These include: (1) a genetic variation in offspring that is not seen with asexual reproduction. (2) The variation allows the species<...

LW
Answered by Lois W. Biology tutor
37165 Views

How do I effectively use critical sources in essays?

Using secondary critical sources in your essays can be intimidating but here are three ways you can apply it effectively:
1.To bolster your own argument - This is possibly the easiest way to utilize ...

EB
5449 Views

what is the advantage of having a large surface area?

Gas exchange surfaces tend to have the adaptation a large SA:volume ratio. This is advantageous as it increases the area over which gases and other materials can be transported into and out of the organis...

SD
Answered by Saskia D. Biology tutor
23289 Views

How does myelination affect nerve impulse conduction velocity?

Nerve impulses are propagated in the form of action potentials, involving the rapid depolarisation of the nerve cell membrane from  -70mV to +30mV, before repolarisation occurs returning the membrane pote...

TW
Answered by Thomas W. Biology tutor
7965 Views

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