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Why do elements within a period of the periodic table have different properties?
They have different numbers of valance electrons...
How many elements in the first period?
Period 1: 2 elements Period 2: 8 elements Period 3: 8 elements Period 4: 18 elements Period 5: 18 elements Period 6: 32 elements Period 7: 25 elements
What is an elements period?
A period is a row of elements
What is period and how many are there?
A period is a horizontal row in the periodic table of elements, where elements are arranged according to their increasing atomic number. There are seven periods in the periodic table, with each period representing the filling of a different electron shell. As you move from left to right within a period, elements display a gradual change in properties, from metals to non-metals. The first period consists of two elements, while subsequent periods contain more elements, with the seventh period being the largest.
What is periodisation of history of India?
The periodization of history of India has different elements. The period of 1500 - 1000 BC was called the Vedic period. The period of 322 - 187 BC was called the Mauryan period.
The period of elements that are all radioactive?
All elements comprising the period 7 in the periodic table are radioactive. In total this period has 32 elements.
Why do the properties of elements of change in a regular way across a period?
Because certain groups have different characteristics, so when you move to a different group the characteristics will be different.
Are period 1 elements more electronegative than period 2 elements?
No, period 1 elements are not more electronegative than period 2 elements. Electronegativity generally increases across a period from left to right, so elements in period 2 are generally more electronegative than elements in period 1.
As you move across a period elements have the same number of?
As you move across a period, elements have the same number of electron shells but different numbers of valence electrons. This leads to differences in reactivity and chemical properties across the period.
The reason there are fourteen different f-block elements in a period can be described by what statements?
The f-block elements have 14 elements in a period because the f orbital in the f-block can hold a maximum of 14 electrons. This results in 14 elements being accommodated in one row or period of the f-block in the periodic table.
How do the elements in the period you choose compare?
In a period of the periodic table, elements have the same number of electron shells but different numbers of electrons in their outer shell. As you move across a period from left to right, the number of protons and electrons increases, causing elements to become more electronegative and decrease in atomic radius. Additionally, elements within a period show a trend of increasing metallic to non-metallic properties.
What elements belong to the first period?
There are two elements in the first period, hydrogen and helium.
