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Would you expect a calcium ion to be bigger, smaller or the same size as a calcium atom? Give TWO reasons to explain your answer.

Calcuim is in group two which means when it forms an ion it will donate its two outer elections, this means a calcium ion will be smaller as it has one less shell of electrons.  

UC
Answered by Urma C. Chemistry tutor
14466 Views

Respiration and photosynthesis-what are the similarities and differences?

Respiration in both animals and plants Photosynthesis only in plants Will explain further in interview

AA
Answered by Abuzar A. Biology tutor
2558 Views

(x + 2)(x + 3)(x + 6)

First: (x + 2)(x + 3) = x2 + 5x + 6

Second: (x2 + 5x + 6)(x + 6) = x+ 5x2 + 6x + 6x2 + 30x + 36 = x3 + 11x2 + 36x +36<...

UC
Answered by Urma C. Maths tutor
2780 Views

State three differences between daughter cells produced by the process of mitosis and those produced by meiosis.

Meiosis is a type of cell division that only occurs in the sex organs, testes and ovaries, mitosis occurs in every cell in the body, these are somatic cells. Daughter cells are the cells that are produced...

UC
Answered by Urma C. Biology tutor
20205 Views

Integrate xcos(x) with respect to x

In order to do this question one has to first recognise that this is a product and thus has to be solved using Integration by parts. Firstly write out the formula: ∫u.dv/dx dx = uv - ∫v. du/dx dx ...

DW
Answered by David W. Maths tutor
4504 Views

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