Answer:
40.3 for the unit that represents the minimum amount of magnesium oxide I beilieve.
Explanation:
Magnesium atoms are heavier than oxygen atoms, so we expect more than 50% of magnesium in the weight composition. Taking just one atom of Mg and one atom of O you will get a mass of 16.0 + 24.3 = 40.3.
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The answer is C When more work was done, the couch was moved further.
A:The half-life should be similar to the age of the object.
Explanation:
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Answer:
The formula defining the photon energies that would be emitted by transitions between the hydrogen energy levels are given by the equation:
ΔE = -13.6Z²[1/n₁² - 1/n₂²]eV, where (1 eV = 1.602×10-19 Joules) and n₁ = initial energy level and n₂ = final energy level.
Z = Atomic number of the atom
we cant
Explanation:
you need to leave some water to stop dehydration of substance
