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Category: Chemistry
Write formulas for the following compounds. a. Sulfur dioxide Write formulas for the following compounds. b. Sulfur trioxide Write formulas for the following compounds. c. Sodium sulfite Write formulas for the following compounds. d. Potassium hydrogen sulfite Write formulas for the following compounds. e. Lithium nitride Write formulas for the fol...
1
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Category: Chemistry
The compounds and have similar formulas, yet each follows a different set of rules to name it. Name these compounds, and then compare and contrast the nomenclature rules used in each case.
1
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Category: Chemistry
Consider the elements of the carbon family: , , , , and . What is the trend in metallic character as one goes down a group in the periodic table? What is the trend in metallic character going from left to right across a period in the periodic table?
2
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Category: Chemistry
a. List the noble gas elements. Which of the noble gases has only radioactive isotopes? (This situation is indicated on most periodic tables by parentheses around the mass of the element. See inside front cover.) b. Which lanthanide element and which transition element have only radioactive isotopes?
1
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Category: Chemistry
What evidence led to the conclusion that cathode rays had a negative charge? Is there a difference between a cathode ray and a particle?