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Which of the following solutions are possible?

The periodic law states that when elements are arranged in order of ________ their properties repeat themselves at regular intervals.

Which of the following elements has the largest atomic radius?

Calculate the mass of gold (specific heat = 0.130 J/g °C) that requires 468 J to heat the sample from 21.6 °C to 33.2 °C?

The relative ratio of atoms in the binary compound AlxOy is ________.

25 mL of a 0.1 M NaCl solution contains ________ g of NaCl.

下のえを見て意味の通る正しい日本語をえらんでください。

The anesthesia status modifier that indicates the patient’s condition at the time anesthesia was administered is:

Qualifying anesthesia circumstances are add-on codes and are used when the administration of the anesthesia is more difficult

Which codes begin with the number 99 and are used to indicate anesthesia services provided during situations that make the administration of the anesthesia more difficult?