Tin (Sn) – Periodic Table (Element Information & More)

This is a SUPER easy guide on Tin element.

In fact, the table mentioned below is the perfect information box (Which gives you every single detail about the Tin element in Periodic table.)

So if you want to know anything about Tin element, then this guide is for you.

Let’s dive right into it!

Tin Element (Sn) Information

Appearance	Silvery white or gray in color
State (at STP)	Solid
Position in Periodic table	Group: 14, Period: 5, Block: p
Category	Carbon group
Atomic number or  Protons	50
Neutrons	69
Electrons	50
Symbol	Sn
Atomic mass	118.71 u
Electrons arrangement or  Bohr model	2, 8, 18, 18, 4
Electronic configuration	[Kr] 4d10 5s2 5p2
Atomic radius	217 picometers (van der Waals radius)
Valence electrons	4
1st Ionization energy	7.344 eV
Electronegativity	1.96 (Pauling scale)
Crystal structure	Tetragonal
Melting point	505.1 K or 231.9 °C or 449.4 °F
Boiling point	2875 K or 2602 °C or 4716 °F
Density	7.31 g/cm3
Main isotope	120Sn
CAS number	7440-31-5

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Tin in Periodic table

Tin element is in group 14 and period 5 of the Periodic table. Tin is the p-block element and it belongs to carbon group.

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Why is Tin in Group 14?

Do you know, how many electrons can be accommodated in the first shell, second shell, third shell, fourth shell, etc…?

Here is the table showing the capacity of orbits to hold electrons. 

Number of electrons in shells.

Thus, 

• 1st shell can hold 2 electrons.
• 2nd shell can hold 8 electrons.
• 3rd shell can hold 18 electrons.
• 4th shell can hold 32 electrons, and so on.

Now the atomic number of Tin (Sn) is 50.

Hence the electron arrangement in Tin is 2, 8, 18, 18, 4. And the electron configuration of Tin is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p².

This electron arrangement and electron configuration indicates that the outermost orbit (i.e orbit number 5) of Tin atom has 4 electrons.

Hence, it lies in group 14.

Why is Tin in Period 5?

Let me ask you a question.

How many shells does tin have?

It’s 5. Right? 

You have already seen the bohr model of tin atom in the above table.

From the Bohr model, it can be found that the number of orbits or shells in a tin atom is 5. Hence, as the tin atom has 5 orbits, it lies in period 5 of the Periodic table. 

Why is Tin in p-block?

Before knowing this reason, first of all I want to ask you a simple question.

How can you determine the blocks-wise position of elements?

The simple answer: The elements will lie in the s, p, d or f block will completely depend upon the subshell in which the last electron will enter.

For example; the electron configuration of tin is [Kr] 4d¹⁰ 5s² 5p².

So the last electron of tin enters the p-subshell or p-orbital. 

Hence, tin is the p-block element.

5 Interesting facts about Tin

Interesting facts about tin element are mentioned below.

1. Tin makes up around 2 ppm (parts per million) of the earth’s crust.
2. Tin is the 50^th most abundant element found from the earth’s crust.
3. Tin (Sn) is obtained from its various ores, but its main ore is SnO₂.
4. When the tin is bent, it makes a screaming sound. This creaking sound occurs due to deformation of tin crystals. And this sound is known as “Tin cry”.
5. The isotopes of tin are more stable than the isotopes of any other elements.

Properties of Tin

The physical and chemical properties of tin element are mentioned below.

Physical properties of Tin

Physical properties of tin are mentioned below.

• At room temperature, tin is a soft metal having silvery white or grey color.
• Tin is a malleable metal and hence it can be drawn into thin sheets.
• When tin is polished, it produces a shiny surface.
• The atomic mass of tin is 118.71 u and its density is 7.31 g/cm³.
• The melting point of tin is 231.9 °C and its boiling point is 2602 °C.
• The crystal structure of tin is tetragonal.
• Tin has many stable isotopes, but out of them ¹²⁰Sn is the most abundant (around 32.5%).

Chemical properties of Tin

Chemical properties of tin are mentioned below.

• Below 13 °C, tin turns into its allotrope called “alpha tin”, and it behaves as a semiconductor.
• Tin is a corrosion resistance metal. It does not even react with water.
• Tin is alloyed with copper to produce a new alloy called bronze. In this alloy the proportion of tin is 12% and that of copper is 88%.
• The first ionization energy of tin is 7.344 eV.
• The electronegativity of tin is 1.96 on the Pauling scale.

Uses of Tin

Uses of tin are mentioned below.

• The main use of tin is in the manufacturing of bronze (which is an alloy of tin and copper).
• The solder which is used in the soldering process is made up of tin and lead alloy.
• As tin is a corrosion resistance metal, it is used for plating other metals.
• As tin has a lower melting point, it is also used in manufacturing fusible plugs.
• The crystalline tin-niobium alloys behave as a superconductor at very low temperatures.

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1). You can effortlessly find every single detail about the elements from this single Interactive Periodic table.

2). You will get the detailed information about the periodic table which will convert a newbie into pro.

3). You will also get the HD images of the Periodic table (for FREE).

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External resources:

1. Periodic Table of Elements: Los Alamos National Laboratory. (n.d.). Periodic Table of Elements: Los Alamos National Laboratory. https://periodic.lanl.gov/50.shtml
2. Tin – Element information, properties and uses | Periodic Table. (n.d.). Tin – Element Information, Properties and Uses | Periodic Table. https://www.rsc.org/periodic-table/element/50/tin
3. Tin – Wikipedia. (2013, January 23). Tin – Wikipedia. https://en.wikipedia.org/wiki/Tin
4. P. (n.d.). Tin | Sn (Element) – PubChem. Tin | Sn (Element) – PubChem. https://pubchem.ncbi.nlm.nih.gov/element/Tin
5. It’s Elemental – The Element Tin. (n.d.). It’s Elemental – the Element Tin. https://education.jlab.org/itselemental/ele050.html