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Modern Periodic Table of Elements (3)
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Changes in chemical properties and physical properties of elements when moving from left to right across period (2)
A change of the properties of oxides from basic to acidic
Changes in chemical properties and physical properties of elements when moving from left to right across a period (3)
A decrease in electrical conductivity of the element
The principle for the arrangement of the elements in the Modern Periodic Table of Elements
The elements are arranged from left to right and top to bottom
Definition of proton number
Is defined as the number of protons in the nucleus of an atom
The position of the element Hydrogen (H) in the Modern Periodic Table of Elements
Group 1, Period 1
The position of the element Lithium (Li) in the Modern Periodic Table of Elements
Group 1, Period 2
The position of the element Sodium (Na) in the Modern Periodic Table of Elements
Group 1, Period 3
The position of the element Potassium (K) in the Modern Periodic Table of Elements
Group 1, Period 4
The position of the element Rubiduum (Rb) in the Modern Periodic Table of Elements
Group 1, Period 5
The position of the element Caesium (Cs) in the Modern Periodic Table of Elements
Group 1, Period 6
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Modern Periodic Table of Elements (3)
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