francium , in the Periodic table the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. making helium is the smallest element, and francium the largest.
You could use distillation.
Hope this helps
The nomenclature of binary covalent compounds follows these rules: The first element in the formula is given first, using the element's full name.
...
Binary molecular (covalent) compounds.
compound systematic name common name
NO nitrogen monoxide nitric oxide
NO2 nitrogen dioxide
N2O3 dinitrogen trioxide
N2O4 dinitrogen tetroxide
As water freezes its molecules move farther apart. As when water freezes , Its move farther apart .
And the cause of this movement is hydrogen bond that is formed among the surrounding water molecules that causes water molecules to move apart. So as water freezes its molecules move farther apart, it is the correct answer .
Answer:
The answer to this question is B
At least Im pretty sure
