Chemistry, 05.02.2020 11:56 kkkhomewirk
What is the relationship between where the element is located within a "block" in the periodic table and the superscripted value (like the exponent) appearing at the end of the electron configuration for an element ?
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Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as
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Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
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Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?
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What is the magnitude of the force of gravity between to 1000 kg cars which are separated by distance of 25. 0 km on an interstate highway? the force between the two cars will be what
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What is the relationship between where the element is located within a "block" in the periodic table...
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