Science
The measurement of force per unit area is called

passing a magnet thought the

mixture , because iron gets attracted to magnet .

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72

b. is the answer hoped i        

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.