What is meant by the statement "energy is quantized"?

Which of the following pairs of elements will not form ionic compounds? a. sulfur and oxygen b. sodium and calcium c. sodium and sulfur d. oxygen and chlorine

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Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3 (s). The equation for the reaction is 2KClO3 - - - > 2KCl+3O2 Calculate how many grams of O2 (g) can be produced from heating 72.0 grams of KClO3 (s).

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How many unpaired electrons arethere in Cu1 + ion

The rate constant is found to be 3.9 x 10-5 M-1 s-1. Calculate the rate of formation of ozone when the concentration of oxygen atoms is 3.0 x 10-14 molar and the concentration of diatomic oxygen is 1.3 x 10-14 molar.

The element Oxygen, O, is an example of which of the following? Question 8 options: A compound B molecule C atom D mixture

The measurement 0.41006 gram, rounded to three significant figures, is expressed as

1. When adding strong base to a buffer, why can we assume the equilibrium value of the OH - is zero?

When acid (X) reacts with base (Y) to produce Mg3 (PO4) 2 - what are X and Y