Biology
Biology, 02.08.2019 22:00, dianamoulton13

Two rows of transition metals are placed at the bottom of the periodic table to save space. elements in the first row are called what

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Physics, 23.06.2019 10:30, Chapo3760
Up of elements with the same number of valence electrons. vertical column in the periodic table of elements such as alkali metals or halogens. a horizontal row of elements in the periodic table. this is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table. periodic trend these are the highly reactive elements located in group 1 of the periodic table. these elements have one electron in their outer energy level which makes them highly reactive with water and halogens. these are the reactive elements located in group 2 of the periodic table. these elements have two electrons in their outer energy level which makes them reactive with water and halogens. alkaline earth metals these are the group 3 or d-block elements. these dense metals with high boiling points can have different oxidation states and all are solid at room temperature with the exception of mercury. transition metals this is the highly reactive family of elements with 7 valence electrons. this is an element with full valence shell, very unreactive. this is a group of elements with few valence electrons that conducts heat and electricity. one of a class of elements having properties intermediate to metals and nonmetals. this is a type of element that has many valence electrons, not a conductor.
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Chemistry, 23.06.2019 15:30, cicilee49
In a modern periodic table, there are seven periods. a period is any horizontal row of the periodic table, and the elements in a period have consecutive atomic numbers. a group is any vertical column in the periodic table, and there are 18 such groups. groups 3–12, also known as the “b” group elements, are called transition metals. groups 1–2 and 13–18, also known as the “a” group elements, are sometimes called the main groups. metals are characterized by malleability, ductility, conductivity, and a tendency to lose electrons. main group metals are found in groups 1 and 2. nonmetallic elements fall on the right-hand side of the periodic table, that is, groups 13–18. nonmetals have the tendency to gain electrons and are generally brittle. they can be solids, liquids, or gasses at room temperature. now, label the areas of the modern periodic table using the above information. drag the appropriate labels to their respective targets.
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Chemistry, 28.07.2019 07:00, alicia186
All of the statements are true about the arrangement of elements in the periodic table except that the a.inert gases are in the group farthest to the right. b.metals are found on the left side of the periodic table. c.rare earth elements are in the first column, on the left. d.transition metals are in the center of the periodic table.
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Chemistry, 06.10.2019 19:00, Imelda593
All of the statements are true about the arrangement of elements in the periodic table except that the a) inert gases are in the group farthest to the right. b) metals are found on the left side of the periodic table. c) rare earth elements are in the first column, on the left. d) transition metals are in the center of the periodic table.
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Two rows of transition metals are placed at the bottom of the periodic table to save space. elements...

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