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weqwewe [10]
3 years ago
13

The nucleus ______ during prophase

Biology
1 answer:
Nutka1998 [239]3 years ago
3 0

Answer:

The nucleus disappears during the prophase.

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A bond of the following elements would be of what type? Ca + 2Cl<br><br> Covalent or ionic
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Answer:

Ionic

Explanation:

Ionic bond:

It is the bond which is formed by the transfer of electron from one atom to the atom of another element.  

Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.

For example:

calcium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for calcium is 1. There is large difference is present. That's why electron from calcium is transfer to the chlorine. calcium becomes positive and chlorine becomes negative ion.

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Ca + Cl₂ → CaCl₂

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