B
atoms in a solid can move very little because of how compact they are
in a liquid atoms move a little more freely
in a gas atoms are bouncing fast as they are very spaced out
H2SO4 + 2KOH --> K2SO4 + 2H2O
Answer:
anion has a negative charge
An anion has more electrons than protons, consequently giving it a net negative charge
Answer: A
Explanation: the only way to turn it from blue to yellow is to mix it with an acidic solution.
D. To answer this question refer to the periodic table and think logically about it. Adding one proton increases the atomic number so you go along the row to Nitrogen. If you lose one neutron then the atomic mass decreases by 1 so 14-1 is 13.
