Examlex
The energy of a hydrogen bond is greater than that of a typical covalent bond.
Concrete Operational Thought
A stage of cognitive development in children, as defined by Piaget, where they can think logically about concrete events but struggle with abstract concepts.
Sleep Terrors
Intense episodes of fear that occur during sleep, often accompanied by screaming, kicking, or panicking, without the sleeper fully waking up.
Nightmares
Disturbing dreams that cause the dreamer to wake up feeling stressed, scared, or anxious, often recalling the dream vividly.
REM Sleep
A stage of sleep characterized by rapid eye movements, during which dreaming often occurs and brain activity closely resembles that of being awake.
Q28: Select the element with the least metallic
Q30: In gaseous BeCl<sub>2</sub>, Be does not obey
Q31: In molecular orbital theory, combination of two
Q38: Which of the following is the strongest
Q41: The FM station KDUL broadcasts music at
Q50: A reactant R is being consumed in
Q65: Select the correct name for the following
Q69: Potassium fluoride is used for frosting glass.
Q83: Explain what is meant by "complementary" in
Q106: In the gas phase, AlCl<sub>3</sub> exists as