Answer:
im pretty sure it should be 50.0
Answer:
I think deposition of C is the oldest deposit
They have the same number of electrons in their outermost shell
Explanation:
Lithium, sodium, potassium, rubidium, cesium and francium are in the same column on the periodic table because they have the same number of electrons in their outermost shell.
- The periodic table is based on the precepts of the modern periodic law which states that "the properties of elements are a periodic function of their atomic number".
- In the table elements having the same number of electrons in the outermost shell of their atoms are placed over one another in vertical columns.
- Each of the resulting vertical column is known as a group or family.
- The given elements belongs to the first family on the periodic table.
- In this group, all the elements have just one electron in their outermost shell.
learn more:
Periodic table brainly.com/question/5090516
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A. Is the correct answer.
