4. Thallium-203 has a mass of 202.9723 g and 29.523% abundance, Thallium-205 in nature is found to have 70.476% abundance. If the average atomic mass of Thallium is 204.38 g, how many grams does Thallium
205 have ? round to seven significant numbers.

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How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?