Barium carbonate (BaCO₃) <span>will be more soluble in acidic solution than in pure water, because Ksp (solubility constant) in water for this salt is very low.
In acid (for example hydrochloric acid) barium carbonate dissolves more because it forms weak electrolyte carbonic acid:
BaCO</span>₃(s) + 2HCl(aq) → BaCl₂(aq) + H₂CO₃(aq).
Do the electron configuration of both atoms.
Ti:
Atomic number 22.
Abbreviated electron configuration: [Ar] 3d^2 4s^2
Valence electrons 4s^2
Hf:
Atomic number: 72
Abbreviated electron configuration: <span>[Xe] 4f^14 5d^2 6s<span>^2</span></span>
The subshells that behave as valence orbitals are, generally, those of the highest energy level.
In this case those are 6s.
Answer: 6s
Answer:
D
Explanation:
Pretty straight forward, landslides can destroy animals homes and so can fires and floods.
An experimental investigation allows you to control the variables.
Explanation:
Experimental investigations include a method in which a "fair test" is created and variables are actively planned, managed, and measured in an attempt to gather testimony to confirm or negate a causal relationship. Experimental investigations have a control group which does not accept any treatment.
Answer:
A-1,
B-2,
C-3 is the answer of this queation