What are elements in groups 3 through 12 on the periodic table called? What do the elements in each column of the periodic table have in common? What do elements in the first two columns of the periodic table have in common? What does each different element on the periodic ta...
the ___and the reactivity of these elements ___on moving down the column(V) elements in the last column are very unreactive and are called the ___(Noble gases)(VI) which elements in column 7of the periodic table will react most vigorously with the element sodium(in column 1)?___(...
in the periodic table of elements which symbol has 41 electrons? What are the elements called that are found in an A group (groups 1, 2, and 13-18) on the periodic table (also called representative elements)? Identify three metallic elements on the periodic table. 1. How ma...
(V) elements in the last column are very unreactive and are called the ___(Noble gases)是吗?(VI) which elements in column 7of the periodic table will react most vigorously with the element sodium(in column 1)?___(VII) what substance will be formed as a result of the reaction shown...
The elements are partitioned according to the belonging electronic configuration and respectively arranged on four cylinders and are connected into an integral cylinder beam, one side of the cylinders is blade arris-shaped, the cylinders are s, p, d, f, etc. The related theories and geometric ...
The elements of same group of the periodic table have View Solution Name first three alkali metals View Solution Why are group 1 elements called alkali metals ? View Solution The elements of group 1 are called alkali metals. Give reason. ...
(Rf) for each compound. The most extensively used planar chromatography is TLC, which is used routinely for the separation ofsmall moleculesandsecondary metabolites. Later on, the conventional TLC was modified to obtain high resolution, performance, and accuracy which is called high-performance thin...
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A periodic trend is a pattern in the periodic table for a given property of an element. Periodic trends increase or decrease as we move in certain directions in the periodic table. For example, the electronegativity of an element increases from left to right in the per...
What are the elements found in an A group (groups 1, 2, and 13-18) on the periodic table (also called representative elements)? Which of the following elements has the most metallic character and why? a) Li b) Na c) Be d) Mg e) Al A main group el...