Examlex
The successive ionization energies of a certain element are I1= 589.5 kJ/mol, I2 =1145 kJ/mol, I3= 4900 kJ/mol, I4 = 6500 kJ/mol, and I5 = 8100 kJ/mol. This pattern of ionization energies suggests that the unknown element is
Basic Units
The simplest measure of quantity in physics and other sciences, forming the foundation for more complex measurements.
Prefixes
Sets of letters placed before a word to modify its meaning, such as "un-", "pre-", and "post-".
Mixed Fraction
A mathematical expression combining a whole number and a fraction, used to represent quantities greater than one.
Fraction
A mathematical expression representing the division of one quantity by another; a part of a whole.
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