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Atomic no. 103. Located in period 7 d-block. Last element of the actinide series.
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In the periodic table elements in the first columns are called what?
The elements located in the first column, group IA on the periodic table, are called alkali metals.
What is the most abundant metal in group IA of periodic table?
sodium
Is lithium a solid?
Yes, it is an alkali earth metal in Group 1 (IA) on the periodic table.
What group on the periodic table has only one nonmetal?
Either IA (Hydrogen) or IIIA (Boron)
What group of elements on the periodic table do not have individual names?
In the old numbering system, "A" simply refered to the the left side of the table. Group IA,IA are alkali metals.
How are metals and nonmetals grouped together on the periodic table?
Metals are located on the left side in the periodic table. Group IA and Group IIA, they are the most occupied metals. The transition elements are also considered metals.
Where are the alkali metals and the halogens located on the periodic table?
Halogens are second from the rightmost column (The Noble Gases) in the periodic table. The Alkali Earth Metals are the second column from the left in the periodic table after the alkali metals.
How many electrons are in the outer ring of cesium?
Cesium has one valence electrons in its outer ring, as indicated by its placement in column 1 of a wide form periodic table or column IA of a narrow form periodic table.
What is the North America Convention Periodic Table?
Periodic table that is represented as group IA - VIIIA for s and p block elements and group IIIB - IIB, including three groups in VIIIB is the Nort America Convention of PT
What is group A in the periodic table is related to what?
Group A is an obsolete symbol for groups; the old groups IA and IIA contain alkali metals and alkali earth metals.
What change occurs in valence shells of elements as you move from left to right in any given row of the periodic table?
From left to right on the periodic table, the elements in each group (column) have one more electron in their outer shell. For example, sodium (located on the far left side of the periodic table) has only one valence electron. Helium (located on the far right side of the periodic table) has 8 valence electrons. If the periodic table you're labels the 'A' and 'B' groups, then seeing the pattern is fairly easy. When you ignore the 'B' groups (transition metals), a very easy rule applies: whatever group (column) an element is in, that's the number of electrons in the outer shell. Elements in Group IA (like sodium) have one valence electron. Elements in Group IIA (like calcium) have 2 valence electrons. Likewise, elements in Group IIIA (like aluminum) have three valence electrons. This rule applies to all elements located in 'A' groups. For example, simply by looking at the periodic table, you can tell that fluorine has seven valence electrons because it is located in Group VIIA. In answer to your question, from left to right, on the periodic table, the number of valence electrons an element has increases.
What is the valence number for sodium?
sodium belongs to IA group element in periodic table.hence valence is one
