What are the elements 1 to 20?
What are the elements 1 to 20?
What are the first 20 elements in order?
- H – Hydrogen.
- He – Helium.
- Li – Lithium.
- Be – Beryllium.
- B – Boron.
- C – Carbon.
- N – Nitrogen.
- O – Oxygen.
What are 20 elements on the periodic table?
The elements of the periodic table sorted by atomic number
| Atomic number | Name chemical element | Symbol |
|---|---|---|
| 18 | Argon | Ar |
| 19 | Potassium | K |
| 20 | Calcium | Ca |
| 21 | Scandium | Sc |
What is an element and the first 20 element?
First 20 elements Of The Periodic Table
| Element | Symbol |
|---|---|
| Fluorine | F |
| Neon | Ne |
| Sodium | Na |
| Magnesium | Mg |
What is the Valency of 1 to 20 elements?
The Valency of First 20 Elements
| Element | Symbol | Valency |
|---|---|---|
| Carbon | C | 4 |
| Nitrogen | N | 3 |
| Oxygen | O | 2 |
| Fluorine | F | 1 |
What is 1 on the periodic table?
H Hydrogen
The Elements, sorted by Atomic Number
| Atomic Number | Symbol | Name |
|---|---|---|
| 1 | H | Hydrogen |
| 2 | He | Helium |
| 3 | Li | Lithium |
| 4 | Be | Beryllium |
What are the valency of 20 elements?
Valency of First 30 Elements
| Element | Atomic Number | Valency |
|---|---|---|
| Valency of Chlorine | 17 | 1 |
| Valency of Argon | 18 | 0 |
| Valency of Potassium (K) | 19 | 1 |
| Valency of Calcium | 20 | 2 |
What are two uses of the 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.
What are the first 18 elements?
– Florida | Drivers Test Study Guide – California | Drivers Test Study Guide – Paramedic Cardiology – Most Common Kanji | Guide to Reading Japanese. Atomic Number: 1… Symbol: H… Atomic Mass: 1… Protons: 1… Atomic Number: 2… Symbol: He… Atomic Mass: 4
What are the first 20 elements on the periodic table?
hydrogen – a primary constituent of water,hydrocarbons and carbohydrates (not the same thing),one of the 5 main constituent elements of life (5MCE);
What are 20 common elements?
20: batteries, plaster of Paris: Iron: Fe: 26: bikes, cars, nails: Nickel: Ni: 28: coins,
What is the first twenty element?
The first 20 elements are Hydrogen,helium,lithium,berrylium,boron,carbon,nitrogen,oxygen,fluorine,neon,sodium,magnesium,aluminium,silicon,phosphorous,sulfur,chlorine,argon,potassium,calcium Among of the elements hydrogen,nitrogen,oxygen,fluorine,chlorine are diatomic.