When you focus on something
Answer:
decreases
Explanation:
the particles have less kinetic energy as the thermal heat is decreased
Answer:
The modern table is a list of elements based on the number of protons in the nucleus.
Explanation:
That’s the positive charge of the nucleus. Then it is organised into rows and columns based on repeating patterns of chemical similarity within that series, other words “periodicity”. That is why it is called the periodic table.
Balanced chemical reaction (dissociation) : CaCl₂(aq) → Ca²⁺(aq) + 2Cl⁻(aq).
n(CaCl₂) = 3,5 mol.
From chemical reaction: n(CaCl₂) : n(Ca²⁺) = 1 : 1.
n(Ca²⁺) = 3,5 mol.
From chemical reaction: n(CaCl₂) : n(Cl⁻) = 1 : 2.
n(Cl⁻) = 2 · 3,5 mol.
n(Cl⁻) = 7 mol.
Calcium chloride is salt that completely dissociate in water on calcium cations and chlorine anions.
