Facts About the Periodic Table

The Periodic table is a tabular representation of chemical elements ordered by their atomic number, electron configuration, and recurring chemical properties. Elements in the periodic table are unique and according to scientists, it is not possible to break these elements down into any smaller units. Here are some facts about the periodic table.

  • In the periodic table, elements are represented in the form of Chemical Symbol, the Atomic Number, and the Atomic mass.
  • The periodic table has 109 different elements.
  • Among the 109 elements, 90 of them are found in nature.
  • Out of these 109 elements, 19 are created in the laboratory.
  • Russian scientist Dmitri Ivanovich Mendeleev formulated and invented the periodic table.
  • Carbon is one of the unique element which is known to form up to 10 million different compounds.
  • J is the only alphabet which is not in the periodic table.
  • Argentina is named after the element silver (Ag) which is Argentum in Latin.
  • The first artificially made element is Technetium.
  • Most of the elements present in the periodic table are metals.
  • The present periodic table has space for 118 elements.
  • The main difference between the Mendeleev’s periodic table and the modern periodic table is that the modern periodic table orders the element in increasing atomic number and the Mendeleev’s periodic table order the elements in order of increasing atomic weight.
  • The organization responsible for maintaining the periodic table is The International Union of Pure Applied Chemistry ( IUPAC ).
  • Mercury and bromine are the two elements which are liquid at room temperature.
  • Hydrogen being the lightest with atomic weight of 1 and uranium being the heaviest element in the periodic table with atomic weight of 238.
  • Do you know? Why is the table called the periodic table? It is because the rows are called the periods.
  • Helium was first discovered in sun despite it is the second most abundant element in the universe.
  • By the start of 19th century, more than 50 elements were discovered by the scientists.
  • When argon was discovered, it did not fit in Mendeleev’s columns, so Mendeleyev’s denied the existence of argon.

Candidates can subscribe to our YouTube channel to watch interactive video lessons on important topics related to the CBSE syllabus.

How to Maintain Good Oral Health and Dental Restorations

Numerous types of materials are used to fabricate dental restorations such as fillings, crowns and bridges as well as partial and full dentures. Damaging effects often occur because of daily use of toothbrushes and other dentifrices as well as detrimental oral habits such as smoking and drinking of certain beverages. In addition, many lifestyle habits, including pencil chewing or nail biting, can lead to fractures, chips and cracks. Proper prevention and maintenance techniques will greatly reduce the risks of damage to the existing dental restorations.

Image result for How to Maintain Good Oral Health and Dental Restorations

Excessive staining and fractures frequently cause substantial bacteria harboring that eventually affects the health of the surrounding tissues, especially gums. A dental hygienist plays a major role in the maintenance of the oral health. At the time of each prophylactic cleaning, it is the hygienists who have the opportunity to exam and evaluate any oral conditions. In conjunction with the dentist, they take the responsibility of educating their patients on the importance of dental health. The ultimate goal is to reduce the bacterial retention and establishing a positive oral flora for every patient.

Most patients obtain semi-annual cleanings and periodontal care every three months. An average cleaning appointment consists of using manual and ultrasonic instrumentation combined with tooth polishing and periodontal charting for gingival pockets. Because of this detailed procedure, the hygienist is able to record any dental conditions and forward the information to the dentist. During the cleanings, any superficial staining and bacterial deposits are removed including all surfaces of the teeth and subgingival areas of the dentition. Routine cleanings are beneficial to the patient’s health and maintain the aesthetics of the mouth. Additionally, fluoride applications may be implemented to reduce the formation of decay.

Dental professionals along with the dentist Brooklyn NY have a good understanding about correct maintenance of dental restorations. New prophy pastes used to remove the stains are safe to utilize and contribute to the visual value of the mouth without implementing more invasive procedures. Combined with the patient’s diligent care at home, most daily accumulated debris and bacteria are removed resulting in healthy mouth. Scaling procedures are done carefully and are instrumental in prevention of bacteria adhesion.

Clean teeth are less prone to plaque, calculus and tartar retention. Dental providers significantly contribute to the maintenance and preservation of good oral chemistry and help to reduce the number of dental visits for their patients.

Things you should know about Samsung S8

Talking about Samsung it has just running at the top of the list and the only reason for this is revealing smartphones in the market with great features which other smartphone is lacking behind.

If we talk about recent reveal it has just launch its new series “Samsung Galaxy S8” on 21st April, 2017 with some great features bundle in this phone.

Few things we should know about Samsung Galaxy S8

So before buying we should know few things about Samsung Galaxy S8 as mentioned below:

  • Two Versions are available

Talking about Samsung Galaxy S8 which comes in two versions i.e. Galaxy S8 and Galaxy S8+which have little changes in them.

Screen size of S8 is 5.8 inch. Screen size of S8+ is 6.2 inch.
S8 has battery of 3000 mAh. S8+ has battery of 3500 mAh.

SAR value: 0.44 W/kg (head) and 0.75 W/kg (body).

 

SAR value: 0.67 W/kg (head) and 0.97 W/kg (body).
Internal Storage of 64GB. Internal Storage of 128GB.
4GB of RAM. 6GB of RAM.

 

  • Beautifully Curved

Both the variants has a curved screen as well as edges. Apart from that fingerprint sensor has been moved and there is no border left between bezel and screen which look more attractive. You find really good cases for Samsung S8.

 

  • Screen resolution

Both the variants have an excellent screen resolution of 2960×1440 which gives us the 4K display which was powered by Sony. The screen panel is full HD.

 

  • No Home Buttons

As the screen size has been made bigger as well as curved the home buttons have been removed and the user can get these home buttons modified in the display which look great.

 

  • Security

Samsung has worked to it and have improved the security in galaxy S8 as well as S8+ which means that there is an additional security where phone is going to scan our eyes for unlocking the phone which is just great plus point for the user having this phone.

 

  • Additional features of BIXBY

Talking about Samsung S8 as well as S8+ has an inbuilt feature of digital assistance where we can simply take image from the camera and get the information.

 

  • Performance

The performance is just great because of new Qualcomm Snapdragon 835 processor with 2.3 GHzcores which are well clocked along with 4GB of RAM.

 

  • Camera Quality

12MP rare camera with f1.7 sensor with optical image stabilizing helps in clear and crystal image. Front is having 8MP with smart Auto Focus for group selfies.

 

Conclusion

At last but not the least I would like to conclude the topic by saying that if anyone is thinking of buying Samsung Galaxy S8 then they can go for it as talking about the brand Samsung as well as Galaxy series is really worth buying. The phone is holding up with great features as well as the built in design is really attractive so we can go for it.