How Many Orbitals Are Contained in the Third Principal Level

question 82

Multiple Choice

How many orbitals are contained in the third principal level (n = 3) of a given atom?

• A) 9
• B) 1
• C) 12
• D) 6
• E) 10

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Definitions:

OTE

An output energize instruction used in PLC programming to control the on/off status of a bit.

XIC

Examine If Closed, a command in ladder logic programming that checks if a specific input or point in a control system is in an ON state, signifying an electrical circuit is complete.

OTD

OTD stands for "On-Time Delivery," a key performance indicator measuring the success rate of delivering services or goods within the agreed timeframe.

XIO

Represents an "Examine if Open" instruction in ladder logic programming, used to check if a specified condition, such as a switch being open, is met.