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STatiana [176]
3 years ago
7

A mineral that helps in clotting of blood________.

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

Answer:

Vitamin K

Explanation:

this is the answer

Rufina [12.5K]3 years ago
6 0

Answer:

<h2> VITAMIN K</h2><h2>VITAMIN K IS A FAT-SOLUBLE</h2><h2>VITAMIN FOUND IN GREEN LEAFY VEGETABLES, ESSENTIAL FOR BLOOD CLOTTING.</h2>
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What role do electrons play in creating intermolecular forces
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repartExiplanation:cionde atomos

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What forces hold network solids together?
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Answer:

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3 years ago
Which of the four solutions is the best buffer against addition of acid or base?
Vera_Pavlovna [14]

b. Na2HPO4 + NaH2PO4.

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Draw the Lewis structure for the polyatomic formate anion. Be sure to include all resonance structures that satisfy the octet ru
givi [52]

Answer:

Lewis structure of polyatomic formate anion.

Explanation:

To draw Lewis structure for any chemical species,

1)Count the total number of valence electrons present in it.

This can be obtained by adding valence electrons of each constituent atom.

2)Arrange those valence electrons in such a way that each atom should attain eight electrons around it to satisfy octet theory.

The structure of formate ion and its Lewis structure are shown below:

HCOO- is the formate ion.

It has total:

1+4+6+6+1 = 18 valence electrons.

Since, hydrogen has one, carbon has four and oxygen has six valence electrons and the charge of the anion is one.

Arrange this 18 electrons in such a way that each atom should get 8 electrons around it.

Resonance structures of formate ion:

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