Isotope- variation of an element
Sixteen- atomic number of oxygen
3) molecular and structural
Explanation:
Molecular and structural are two terms that represents chemical formula of compounds and molecules.
The molecular formula shows the chemical symbols and the number of atoms combining using subscripts.
The structural formula gives the arrangement of elements in a compound and molecule using a diagrammatic approach.
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charge of elements increases by one as you move from left to right.
There are few elements that can form 12 electron rather
than the usual 8. Therefore these are the possible answers:
Sulfur = 2Na + S --> Na2S <span>
Selenium = 2Na + Se --> Na2Se
<span>Tellurium = 2Na + Te --> Na2Te</span></span>
Answer:
Platelets are tiny blood cells that help your body form clots to stop bleeding.
Explanation:
If one of your blood vessels gets damaged, it sends out signals to the platelets. The platelets then rush to the site of damage and form a plug (clot) to fix the damage.