Answer:
Nitrogen is the main component because it comprises 78% of total air while oxygen comprises 21%
Why do elements that make positive ions occur on the left side of the periodic table while those that make negative ions occur o
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Answer:
Atoms He (Avogadro’s number) → Moles of He (molar mass of He) → Mass of He
• molar mass of He (from the periodic table) = 4.003 g/mol
• Avogadro’s Number: Avogadro’s number gives us the number of entities present in 1 mole: 6.022 × 1023 He atoms in 1 mole of He
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