Any atom that contains exactly 47 protons in its nucleus is an atom of silver. The number of protons in atom of silver is therefore 47. Example 3 - Numbers of Protons in Neon: The element Neon (Symbol Ne) has the Atomic Number of 10.
The answer is; D
Enthalpy is the system’s internal energy ( considering the product of its pressure and volume). When the enthalpy is negative, it means that the products have a lower energy level than the reactants - meaning the system has dispensed some energy into the environment.
Answer:
< 
< 
Explanation:
value is a measure of acidic strength. The larger the value, the stronger is the acid and the weaker is the conjugate base.
The given values are as follows -
Phenol = 
Acetic acid = 
Nitrous acid = 
Order of increasing acid strength will be -
Phenol < Acetic acid < Nitrous acid
Strongest acid will have weakest conjugate base so the order of increasing base strength will be -
< <
Answer:
D
Explanation:
The magnets will repel or push away from each other bcoz of their same poles
Alkali metals = Group 1A
Halogens = Group 7A
