Examlex
The unset() function is used to uninitialize a variable after it has been set.
Equivalent
A term used to describe a quantitative relationship in chemistry, representing entities that have the same capacity to react.
Diastereotopic
Diastereotopic refers to hydrogen atoms or groups in a molecule that are not identical and are replaced by another atom or group, leading to diastereomers.
Enantiotopic
Refers to atoms or groups in a molecule that are mirror images of each other but not superimposable, often discussed in the context of chirality in organic chemistry.
Chemically Equivalent
Term used to describe atoms or groups in a molecule that have identical chemical environments and exhibit the same chemical behavior.
Q3: All text strings must begin and end
Q17: The Moon's low average density tells us
Q20: The _ is a special type of
Q24: With associative arrays, you can use any
Q44: The <B>switch</B> statement compares the value of
Q54: The<B> array_values()</B> function operates directly on an
Q57: A _ is the structure of a
Q58: If you want to store state information
Q59: Omitting which of the following from the
Q76: When inserting records in a database table