- The
periodic table, also
known as the
periodic table of the elements, is an
ordered arrangement of the
chemical elements into rows ("periods") and columns...
- Look up
periodicity or
periodic in Wiktionary, the free dictionary.
Periodicity or
periodic may
refer to: Bott
periodicity theorem,
addresses Bott periodicity:...
- A
periodic function, also
called a
periodic waveform (or
simply periodic wave), is a
function that
repeats its
values at
regular intervals or periods....
- A log-
periodic antenna (LP), also
known as a log-
periodic array or log-
periodic aerial, is a multi-element,
directional antenna designed to
operate over...
-
Periodic breathing is
clusters of
breaths separated by
intervals of
apnea or near-apnea. As
opposed to
normal breathing,
which is
usually regular, periodic...
- In chemistry,
periodic trends are
specific patterns present in the
periodic table that
illustrate different aspects of
certain elements when
grouped by...
- In mathematics, a
periodic sequence (sometimes
called a
cycle or orbit) is a
sequence for
which the same
terms are
repeated over and over: a1, a2, ......
- mathematics, in the
study of
iterated functions and
dynamical systems, a
periodic point of a
function is a
point which the
system returns to
after a certain...
- Look up
periodic table in Wiktionary, the free dictionary. The
periodic table is a
tabular arrangement of the
chemical elements.
Periodic table may also...
-
Extended periodic table Element 119 (Uue,
marked here) in
period 8 (row 8)
marks the
start of theorisations. An
extended periodic table theorizes about...
