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Read the given expression. x = number of protons − number of core electrons which of the following explains the identity of x and its trends across a period? x is the effective nuclear charge, and it remains constant across a period. x is the screening constant, and it remains constant across a period. x is the effective nuclear charge, and it increases across a period. x is the screening constant, and it increases across a period.
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Acar parked on level pavement exerts a force of 10,000 newtons on the ground. what force does the pavement exert back on the car? (f = ma, g = 9.81 m/s2)
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Chemistry, 23.06.2019 19:30
Is the following chemical equation balanced? agno3 + nacl 4agcl + nano3 yes no
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What is the name of the compound co2s3?...
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