In which position of the periodic table would element X be found?

As the element ‘X’ is non-metallic, it may be belonging to group 17. In group 17, the first two elements are gases. Metallic character of elements (non-metals) increases on moving down the group. Therefore, the element ‘X’ may be located in group 17 and 3rd or 4th period of the periodic table.

What is the element with an atomic number of 15?

Phosphorus
The Elements, sorted by Atomic Number

Atomic Number	Symbol	Name
15	P	Phosphorus
16	S	Sulfur
17	Cl	Chlorine
18	Ar	Argon

What is the position of element X with atomic number 16?

And thus the given element X with atomic number 16 is in group 16 and the third period of the modern periodic table. Note:The element with atomic number 16 is Sulphur.

What will be the Valency of an element x whose atomic number is 15?

Valency of element X is -3. Element X with atomic number 15 is Phosphorus (P). Electronic configuration of phosphorous is 2, 8, 5. It has 5 electrons in its last orbit which can be completely filled by accepting 3 electrons.

What is the law of modern periodic table?

The modern Periodic law can be stated as: “The physical and chemical properties of the elements are periodic functions of their atomic numbers”. The atomic number is equal to the number of electrons or protons in a neutral atom.”

What is p2 on the periodic table?

Phosphorus – Element information, properties and uses | Periodic Table.

What is 15 in the periodic table?

Phosphorus – Element information, properties and uses | Periodic Table.

How can elements be arranged according to the modern periodic table?

In the modern periodic table, the elements are arranged according to their atomic number – not their relative atomic mass . rows, called periods , in order of increasing atomic number. vertical columns, called groups , where the elements have similar properties.

What is the atomic number of the element ‘x’?

The atomic number of an element ‘X’ is 20. i)Determine the position of the element ‘X’ in the periodic table. iii) What would be the nature (acidic or basic) of the compound formed?Justify your answer. iii) The nature of the compound formed is basic because X is a metal and Y is oxygen. The oxides of metals are basic in nature.

What elements fall under Group 15 on the modern periodic table?

In the modern periodic table of elements, the following fall under group 15: 1 Nitrogen (N) 2 Phosphorus (P) 3 Arsenic (As) 4 Antimony (Sb) 5 Bismuth (Bi)

Which period of the modern periodic table has the shortest number?

The first period of the modern periodic table is the shortest period as it contains only two elements. The period number two and three consists of eight elements each and is known as short groups.

What are the horizontal rows of the periodic table of elements?

Horizontal rows of the periodic table of elements are the periods. There are seven such periods in the table, each numbered from 1 to 7. All the elements in the period have the same number of shells. The number of electrons in this last shell increase by one across any given period