Answer:
when the red litmus paper is placed in a jar of ammonia, the red litmus paper turns into blue as ammonia gas is basic in nature. It confirms the alkalinity of the ammonia gas.
The mass of the solid product of the reaction is determined by weighing.
Answer:
These three numbers, n, ℓ, and s can be used to describe an electron in a stable atom.
Explanation:
Each electron's quantum numbers are unique and cannot be shared by another electron in that atom. This property is called the Pauli Exclusion Principle.
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Erm, I think when they are little. When they are just born.
Answer:
C
Explanation:
Element Z acquires two electrons from element X for stability
