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What are the basic features of the three major periods of Egyptian historyWhat elements continuity are there in the three periods What are their major differences?
You need to answer this prompt. I suggest you use a Venn diagram to highlight the major differences. We don't do essays or homework.
How many elements occur in each of the first three periods or the periodic table?
There are 2 elements in the first period, 8, 8 elements in 2nd and 3rd periods respectively,
Why are the elements on the periodic tables separated into periods?
Periods are types of elements.
What are horizontal rows of elements in the periodic table?
The horizontal rows of elements in the periodic table are called periods.
How many peroids are in the periodic table of elements?
There are 18 periods in the periodic table. The periods are divided according to the chemical properties of elements. Elements in a group have similar properties.
Why some of the periods have different numbers of elements?
The early periods have less elements because they are filling up energy levels which hold only a few electrons. The later periods contain elements with electrons in levels with a greater capacity.
How many elements are in periods 6?
there are 32 elements in period 6.
How many elements are in periods 4?
There are 18 elements in period 4.
What are periods on the periodic table of elements?
The Periods are the horizontal rows on the periodic table.
Why do plants have to store food?
The plants store food to overcome unfavourable periods of growth and making continuity of life.
What are the differences between groups and periods?
Groups consist of elements listed in the same column. These elements share similar chemical properties, such as number of valence electrons. Periods are the rows of elements. These elements do not share chemical properties, as periods are organized by increasing atomic number (number of protons).
How many periods of elements are there?
The periodic table of Mendeleev has 18 groups and 7 periods.
