What Are The 1st 20 Elements?

What are the first 40 elements and their symbols?

First 40 Chemical Elements & Their SymbolsABHydrogenHHeliumHeLithiumLiBerylliumBe36 more rows.

What are the first 50 elements?

Periodic Table of Elements: First 50ABHHydrogenHeHeliumLiLithiumBeBeryllium46 more rows

How can I remember the first 20 elements?

The numbers are their atomic numbers, which is how many protons are in an atom of that element.Hydrogen – H.Helium – He.Lithium – Li.Beryllium – Be.Boron – B.Carbon – C.Nitrogen – N.Oxygen – O.More items…•

What is the Valency of 1 to 20 elements?

Valency of First 30 ElementsElementAtomic NumberValencyValency of Chlorine171Valency of Argon180Valency of Potassium (K)191Valency of Calcium20226 more rows

What element is 1s2?

Electron ConfigurationsABHydrogen1s1Helium1s2Lithium1s2 2s1Boron1s2 2s2 2p116 more rows

What are the first 20 elements?

First 20 ElementsAtomic NumberElementSymbol1HydrogenH2HeliumHe3LithiumLi4BerylliumBe16 more rows

What are the 10 elements?

Terms in this set (10)Hydrogen. H.Helium. He.Lithium. Li.Beryllium. Be.Boron. B.Carbon. C.Nitrogen. N.Oxygen. O.More items…

How many elements are there?

118 elementsclick on any element’s name for further chemical properties, environmental data or health effects. This list contains the 118 elements of chemistry.

What are the 10 elements of nature?

Top 10 Elemental Powers Air/wind. Air can be used for practically anything, and you don’t even have to be immune to it. … Fire. Here is the reason why I believe fire is the best element. … Water. My element is Water, I know that water is unbeatable.. … Lightning. … Ice/frost. … Earth. … Darkness/shadow. … Magic.More items…

What are the uses of first 20 elements?

Terms in this set (20)Hydrogen. water.Helium. ballons.Lithium. batteries.Beryllium. nuclear reactor.Boron. heat restitant materials.Carbon. photosynthesis.Nitrogen. cooling.Oxygen. respiration.More items…

What is the electronic configuration of 1 to 20 elements?

ATOMIC STRUCTURE 3.4 – Electron Configurations of AtomsNameAtomic NumberElectron ConfigurationHydrogen11s1Helium21s2Period 2Lithium31s2 2s120 more rows

What are the 1 to 30 elements?

Atomic Mass of First 30 ElementsATOMIC NUMBERELEMENTATOMIC MASS1Hydrogen1.0082Helium4.00263Lithium6.944Beryllium9.012226 more rows

What are the first 10 elements and their symbols?

118 Elements and Their Symbols and Atomic NumbersName of the ElementSymbol of the ElementAtomic NumberNeonNe10SodiumNa11MagnesiumMg12AluminiumAl1383 more rows

What are the 30 elements and their symbols?

The first 30 elements of the periodic table and their symbolsABHydrogenHHeliumHeLithiumLiBerylliumBe26 more rows

What is the highest Valency?

H HydrogenA lithium atom has one outer shell electron, so it’s usual valence is +1, but it can lose the electron and have a valence of -1. The most stable valence is one that fills or half-fills an atom’s electron shell….Table of Valences of the Elements 6.NUMBER1SYMBOLHELEMENTHydrogenVALENCE1, 0, -1117 more columns•May 25, 2014