Which of the following are correct? electrons generally occupy the lowest energy orbital first. the c atom has two unpaired electrons. the he atom has two electrons that have parallel spin in its 1s orbital. the arrangement of the orbitals is the same in a multielectron atom and a single-electron atom. in the li atom, the 3s, 3p, and 3d orbitals have different energies. the he atom has one electron each in 1s and 2s orbitals.
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What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers
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What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature
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Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products
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Which of the following are correct? electrons generally occupy the lowest energy orbital first. the...
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