X: part of the cell that is the anode
The _____melting point________ is the temperature at which a substance changes from solid to liquid; _______boiling point_________ is the temperature at which a substance changes from a liquid to as gas; _______vapourisation_________ is the process by which atoms of molecules leave a liquid and become a gas.
Hypothesis is based on prior knowledge or observations.
Answer:
F,O,N,C,B
Explanation:
SINCE THE ELECTRONEGATIVITY INCREASES ACROSS THE PERIOD THE ELECTRONS ARE TIGHTLY PACKED AROUND THE NEUCLEOUS MAKING THE RADIUS SMALL