General Chemistry
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Which property of the nonmetallic elements from the second period of the periodic table could be illustrated in the diagram below?
Account for the following Group 5A oxides. Which will be the strongest oxidizing agent?
N2O5, P4O10, As2O5
Which group 4A element is the least dense metal?
Does Sb have a more nonmetallic character than Bi?
Identify whether the following statement is true or false. Gallium is the most stable in the +1 oxidation state among 3A elements.
Identify whether the following statement is true or false. Aluminum is the only element among group 3A that is used in semiconductors.
Determine the most common oxidation states for each of the following elements: Boron, Aluminum, Gallium, Indium, and Thallium.
Which element–Si, In, O, or Br–is the best conductor of electricity?
The table below shows some properties of alkali metals. Choose the set of values that represents the most reasonable approximates for the density, atomic radius, melting point, and boiling point of Cs.
Tennessine is a synthetic element, therefore, very little empirical data on its properties is available. Is Tennessine (Ts) more likely to be a gas, a liquid, or a solid?
Consider the group 6A elements below. Which element has the strongest ability to conduct electricity?
Determine the chemical formula of the below compound, then determine the halogen's oxidation number.
Perchloric acid
Identify the chemical formula of the substance below, and indicate its Group 5A element's oxidation number.
Dinitrogen tetroxide
Given the oxoacids of bromine: HBrO, HBrO2, HBrO3, and HBrO4. Identify the oxoacid where bromine exhibits a +5 oxidation number. Additionally, determine which oxoacid among the given possesses the highest acidic strength.
Which of the following statements explains the differences between the properties of boron and the other Group 3A elements?