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Zinc benefits for men: 7 ways it improves your health
Zinc plays many important roles in the body, especially for men. Discover how much zinc to have daily and what benefits it ...
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Nature and uses of nanoparticles - Edexcel
A zinc oxide nanoparticle has a diameter of 32 nm. The diameter of a zinc atom is 0.28 nm. Estimate how many times larger the nanoparticle is compared to a zinc atom. A cube-shaped nanoparticle ...