It means that the elements have same number of shells. Period determines the number of shells of an element.
The members of the same group have similar physical and chemical properties.
No, elements in the same column are in the same family.
The elements in a group do not have the same number of shells, however, the elements in a horizontal row do have the same number of shells.
Elements in the same group have the same number of valence electrons.
i think its the thing at the end of a sentence
He used oil paint, wood panels and brushes.
It means that the elements have same number of shells. Period determines the number of shells of an element.
If you mean two different elements, no. That would defeath the purpose of having chemical symbols.
No, compounds do not always contain the same elements in the same ratio. Compounds are formed by the combination of two or more elements in fixed proportions by mass. The ratio of elements in a compound is determined by the chemical formula of the compound.
The members of the same group have similar physical and chemical properties.
If you mean group then your referring to the columns of the periodic table. They will all have the same number of valence electrons and similar chemical and sometimes physical properties.
a family of the periodic table is like a group of elements of the same type.
Having a fixed composition means that a substance always contains the same elements in the same proportion by mass. This characteristic is a defining feature of pure substances like elements and compounds.
No, elements in the same column are in the same family.
elements are in the same group since they react similarly to other elements in that group.
The elements in a group do not have the same number of shells, however, the elements in a horizontal row do have the same number of shells.