Question

How are elements arranged into four blocks

Answer 1

Answer:

The Blocks of the periodic table and why they are organized that way

Before the current organization of the periodic table, many people proposed different ways to organize the elements based on different patterns. In 1869, Dmitri Mendeleev created the first version of the current table we use today. The first table was arranged elements by atomic mass. Mendeleev used the know elements to predict other elements not yet discovered. He left spaces open in his periodic table for the unknown elements. The current periodic table arranges elements left to right and top to bottom in order of increasing atomic number (how many protons the element has). This is important because by using this technique, chemists can predict new elements and their properties just like Mendeleev did.

The periodic table of elements is a table that organizes elements based on their properties. Because every different element has different properties, the periodic table groups the similar elements together. There are four main groups of elements in the periodic table: main group metals, non-metals, metalloids, and transition metals

There are 4 blocks in the periodic table. The blocks are:

s-block

p-block

d-block

f-block

All the elements in a block are very similar but each one is slightly different than the other. All of the s-block elements are metals. Generally they are shiny, silvery, good conductors of heat and electricity, and lose their valence electrons easily. The p-block has the biggest variety of elements and is the only block that contains three types of elements: metals, nonmetals and metalloids. D-block elements have properties that are between between s-block elements and p-block elements properties. They are more electropositive than p-block elements but less electropositive than s-block elements. The F-block elements are mostly radioactive elements.

The block names were created to represent the quality of the spectroscopic lines (the electromagnetic radiation absorbed and emitted by atoms) of the atomic orbitals.

Answer 2

Answer:

The periodic table is arranged into four blocks associated with the four sub- levels -s, p, d and f.The elements in the periodic table are arranged by sub level..

Explanation:

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