The atomic number of an atom (Z) is equal to the number of protons.
The mass number of an atom (A) is equal to the number of protons plus the number of neutrons (N), i.e. A = Z + N
Therefore, N = A - Z = 7 - 3 = 4.
So, this neutral lithium atom has 4 neutrons.
Answer: 4.
The products of the neutralization of an acid with a carbonate or sulfite that removes ions from solution by forming molecular compounds is water and salt
An acid and a base react to create neutralization, which results in the formation of salt and water. For neutralization processes, solid acids, bases, salts, and water may all be included in the net ionic equations.
The neutralization reaction is the process by which an equimolar amount of base and an acid combine to form salt and water. Any powerful acid and basic reaction could serve as an example. The neutralization reaction produces sodium chloride as a byproduct. It is a practical method that is used in everyday life, such as when adding lime to acidic soil to alleviate indigestion and treat acidic indigestion. Additionally, neutralization causes an alkali's pH to decrease to seven.
To learn more about neutralization please visit -
brainly.com/question/20038776
#SPJ4
Answer:
The correct option is: D. Two types of secondary (or intermolecular) bonding are present between hydrogen fluoride molecules, whereas only one type of secondary bonding is present between hydrogen chloride molecules
Explanation:
Boiling point of a chemical substance depends on the molecular mass and the intermolecular forces, which are the interactive forces present between chemical species
1. The <u>molecular mass of hydrogen fluoride (HF) is less than hydrogen chloride (HCl). </u>
2. But the <u>intermolecular forces present between the HF molecules are stronger </u>than the intermolecular forces present between the HCl molecules.
This is because hydrogen fluoride exhibits two types of intermolecular forces: strong hydrogen bonding and dipole-dipole interactions. Whereas, hydrogen chloride exhibits only one type of intermolecular force i.e. dipole-dipole interactions.
<u>Therefore, as a net result, the boiling point of HF is higher than the boiling point of HCl.</u>