What is the name of the collection of elements on the right side of the periodic table with electrons sequentially filling orbit
2 answers:
Explanation:
The collection of elements on the right side of periodic table is known as p-block elements.
General electronic configuration of p-block elements is . And, these elements are from group 13 to group 18.
For example, nitrogen has atomic number 7 and it is a group 15 element. Electronic configuration of nitrogen is .
Since, nitrogen lies in between group 13 to 18. So, it is a p-block element.
Thus, we can conclude that the name of the collection of elements on the right side of the periodic table with electrons sequentially filling orbitals in their valence is p-block elements.
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Answer:
The volume that this same amount of air will occupy in his lungs when he reaches a depth of 124 m is - 0.27 L.
Explanation:
Using Boyle's law
Given ,
V₁ = 3.6 L
V₂ = ?
P₁ = 1.0 atm
P₂ = 13.3 atm (From correct source)
Using above equation as:
The volume that this same amount of air will occupy in his lungs when he reaches a depth of 124 m is - 0.27 L.
Answer:
Upper F subscript 2 (g) plus upper C a (s) right arrow with delta above upper C a upper F subscript 2 (s).
Explanation:
This is a chemical reaction problem.
In expressing any chemical reaction, we need to understand that there are reactants and products.
- The reactants are the species on the left hand side that are combining.
- The products are the species on the right hand side that are formed.
- Every chemical reaction is obeys the law of conservation of matter i.e equal number of matter on both sides.
Using the statement of this problem, we can deduce that;
Reactants are Fluorine gas and Calcium metal
Product is Calcium Fluoride
Note: A metal is a solid(s) and powder is a solid(s). A gas is denoted as (g). They depict the state of the species reacting.
F₂ + Ca
→ CaF₂
We can see that equal number of atoms are on both sides of the expression.