Examlex
Joule is the derived SI unit that measures energy.
Crystallized Intelligence
The capacity to apply acquired understanding and past experiences.
Crossword Puzzle
A word game in which players fill in a grid of white and black squares with words that intersect, given clues for each word.
Mental Speed Tasks
Tasks designed to measure how quickly an individual can process information, often used in cognitive and psychological assessments.
Simple Reaction Time
A measurement of how quickly someone can respond to a stimulus.
Q18: CN-
Q28: Which of the following bases is a
Q30: The most stable isotope of oxygen has
Q69: S<sup>2-</sup><br>A)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup><br>B)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>2</sup><br>C)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p64s<sup>2</sup><br>D)1s22s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>1</sup><br>E)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>4</sup><br>F)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup><br>G)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup><br>H)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>5</sup>
Q76: A non-metal is an element that tends
Q82: How many carbon atoms are there in
Q101: The atomic radius can be measured by
Q154: Sulfur is the most electronegative in the
Q155: What is the chemical formula of a
Q178: The correct name for ammonia is nitrogen