Electronegativity is defined as a measure of the tendency of atoms to attract electrons in a chemical bond.
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Answer:
2,0894x10¹² tonnes of CO₂ in atmosphere
Explanation:
The total mean mass of the atmosphere is 5.1480×10¹⁸ kg. CO₂ is an important race gas in Earth's atmosphere because it is part of the carbon cycle.
405 ppm of CO₂ in atmosphere means 405 mg of CO₂ per kg of atmosphere. If the mass of the atmosphere is 5.1480×10¹⁸ kg:
In tonnes:
<em>2,0894x10¹² tonnes of CO₂ in atmosphere</em>
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