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Chemistry, 21.06.2019 13:00
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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Chemistry, 22.06.2019 00:00
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
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Chemistry, 23.06.2019 00:20
What type of context clue you understand the meaning of quandary?
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Chemistry, 23.06.2019 00:30
What is bromine+calcium iodide--> calcium bromide +iodine balanced
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True or False:
Radioactivity is when an unstable nucleus causes electrons to fly away from the nucl...
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