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How can I remember the 20 elements of the periodic table?

How can I remember the 20 elements of the periodic table?

Mnemonic Device: Happy Henry Lives Beside Boron Cottage, Near Our Friend Nelly Nancy MgAllen. Silly Patrick Stays Close.

What are the first 20 elements in order?

These are the first 20 elements, listed in order:

  • H – Hydrogen.
  • He – Helium.
  • Li – Lithium.
  • Be – Beryllium.
  • B – Boron.
  • C – Carbon.
  • N – Nitrogen.
  • O – Oxygen.

What is the first 20 element?

First 20 Elements

Atomic Number Element Symbol
17 Chlorine Cl
18 Argon Ar
19 Potassium K
20 Calcium Ca

What are the first 20 element in periodic table?

How do you remember the elements and symbols?

Calcium – Ca “Caws give milk!” Pronounced with an accent to make cows sound like it’s spelled with an A. Chlorine – Cl “You Clean with chlorine!” Fluorine – F You need to Floss after using fluorine! Iron – Fe “Fe, Fi, Fo, Fum, I’m an iron man!” Helium – He If you breathe in helium, you will laugh!

What are the first 20 elements and their symbols?

In order of increasing atomic number, the first 20 elements and their symbols are:

  • Hydrogen (H)
  • Helium (He)
  • Lithium (Li)
  • Beryllium (Be)
  • Boron (B)
  • Carbon (C)
  • Nitrogen (N)
  • Oxygen (O)

What are the uses of first 20 elements?

ELEMENT USES
20) Potassium Found in fertilizers
21) Silicon Used in electronics & in compounds for making glass
22) Silver Used in tableware, jewelry, photography, medicines, & coins
23) Sodium Soft metal that combines with chlorine to make table salt

What is the electron configuration of the first 20 elements?

List of Electron Configurations of Elements

NUMBER ELEMENT ELECTRON CONFIGURATION
18 Argon [Ne]3s23p6
19 Potassium [Ar]4s1
20 Calcium [Ar]4s2
21 Scandium [Ar]3d14s2

What are the first 20 elements and symbols?