Largest electronegativity element

Fluorine (F)

Explanation:

As you move to the right across the periodic table, the electronegativity increases.  As you move up a group, the electronegativity increases.

This means that the most electronegative element is fluorine.

43.452

step-by-step explanation:

284 times .153 = 43.452

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.