What species is represented by the following information? Calculate the atomic m

Question

What species is represented by the following information? Calculate the atomic mass of silver if silver has 2 naturally occurring isotopes with the following masses and natural abundances: How many moles of Kr are contained in 398 mg of Kr? Which of the following elements is a good conductor of heal and electricity? Which of the following statements about subatomic particles is TRUE? A neutral atom contains the same number of protons and electrons. Protons have about the same mass as electrons. Electrons make up most of the mass of an atom. Protons and neutrons have opposite, but equal in magnitude, charges. Neutrons and electrons are found in the nucleus of an atom.

Explanation / Answer

2. E) Mg2+

3. A) 107.9 amu

4. A) 4.75 x 10-3 moles of Kr

5. D) aluminium

6. A)

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