You are testing which fertilizer makes the radishes grow the fastest.
factors you should control: sunlight exposure, water amount, fertilizer amount.
Measure: check the rows of radishes to see how much each row has grown in comparison to the others. Whichever row with the healthiest radishes has the best fertilizer.
There is 11 valence electrons in sodium (Na)
2.469 could be maid dont forget to hit that thanks button
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The electron configuration for helium is 1s2