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A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements.The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases: a new row is begun when chemical behavior begins to repeat, meaning that elements with similar behavior fall into ...
Periodic table of the chemical elements showing the most or more commonly named sets of elements (in periodic tables), and a traditional dividing line between metals and nonmetals. The f-block actually fits between groups 2 and 3; it is usually shown at the foot of the table to save horizontal space.
A period on the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, elements in the same group (column) have similar chemical and physical properties, reflecting the periodic law.
Answers was a British weekly [1] paper founded in 1888 by Alfred Harmsworth (later Lord Northcliffe). Originally titled Answers to Correspondents , before being shortened soon after, it initially consisted largely of answers to reader-submitted questions, [ 1 ] along with articles on miscellaneous topics, jokes, and serialized literature.
Seated alongside team owner Steve Cohen, president of baseball operations David Stearns and agent Scott Boras, Soto said he noticed what the Mets were doing from "the other side" of town.
Former New Jersey Senator Robert Menendez asked on Wednesday that his recent corruption conviction be thrown out and a new trial ordered, after prosecutors admitted that his jury was allowed to ...
Nitrogen's density is 0.001251 g/cm 3 at STP. [12] Phosphorus's density is 1.82 g/cm 3 at STP, arsenic's is 5.72 g/cm 3, antimony's is 6.68 g/cm 3, and bismuth's is 9.79 g/cm 3. [13] Nitrogen's melting point is −210 °C and its boiling point is −196 °C. Phosphorus has a melting point of 44 °C and a boiling point of 280 °C.
From May 2012 to December 2012, if you bought shares in companies when Marna C. Whittington joined the board, and sold them when she left, you would have a 62.1 percent return on your investment, compared to a 1.5 percent return from the S&P 500.