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Period 4 and period 5 of the Periodic Table have the same number of elements. There are 18 elements in each period. While some elements in period 4 are calcium, iron, and zinc, elements in period 5 are tin, antimony, and iodine.
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How is each element placed in the periodic table?
Elements are arranged into rows in order of increasing mass, so that elements with similar properties were in the same column. They are organized by type, such as nonmetals, metals, and metalloids, and solids, liquid, gas, or not found in nature.
Can atoms of different elements have the same number of protons be from the same element?
No. Each type of atom (element) has its own unique number of protons, which is called the atomic number. Atoms of the same element will always have the same atomic number (number of protons). Atoms of different elements will never have the same atomic number (number of protons).
What happens where two elements have the same atomic number?
When two elements have the same atomic number, it means they are isotopes of each other. Isotopes have the same number of protons but different numbers of neutrons in their nuclei. This results in subtle differences in their atomic mass and stability.
What do elements in a group have in common?
The elements in the same group have the same number of valence electrons and hence similar chemical and physical properties.
Is the order of elements in the periodic table based on the number of protons in the nucleus?
Yes, the elements in the periodic table are arranged in order of increasing atomic number, which is determined by the number of protons in the nucleus. This organization allows for grouping elements with similar properties in columns and periods.
Why are the elements on the periodic tables separated into periods?
The elements on the periodic table are separated into periods based on the number of electron shells they have. Elements in the same period have the same number of electron shells, which influences their chemical properties and reactivity.
Which 2 periods have the same number of elements on the periodic table?
These are the periods 4 and 5.
What relationship exists between elements and periods according to the periodic law?
The relationship between elements and periods according to the periodic law is that elements are arranged in periods based on their atomic number and properties. Elements in the same period have the same number of electron shells, while elements in the same group have similar chemical properties.
What does a period on the periodic table tell us?
Elements in the same period has same number of valence shells.There are 7 periods in Periodic Table.
The rows going across the periodic table is known as periods and contain elements with the same number of?
The rows going across the periodic table are known as periods and contain elements with the same number of electron shells.
What are the rows called in the periodic table?
Rows in the Periodic Table are called Periods.There are 7 periods in total.All the elements in period have same number of energy levels.
How are periods in the periodic table similar?
The elements in a given period have the same number of core electrons.
What are horizontal rows of elements in the periodic table?
Horizontal rows of elements in the periodic table are called periods. Each period represents a different energy level, with elements in the same period having the same number of electron shells. Periods are arranged in numerical order from left to right on the periodic table.
What are periods on the periodic table of elements?
Periods on the periodic table are rows that categorize elements based on the number of electron shells they have. There are seven periods in total, each representing a different energy level. Elements in the same period have similar properties due to their electron configurations.
How are the elements in the periods in the periodic table related?
As you go down a group, the number of electrons in the outer shell is the same.
What do rows have in common in the periodic table?
Elements of same row has equal number of shells.
What are elements in the same?
All elements in the same horizontal row of the Periodic Table are in the same period, there are 7 periods.
