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H (Hydrogen), He (Helium), Li (Lithium), Be (Beryllium), B (Boron)
C (Carbon), N (Nitrogen), O (Oxygen), F (Fluorine), Ne (Neon)
Na (Sodium), Mg (Magnesium), Al (Aluminium), Si (Silicon),
P (Phosphorous), S (Sulphur), Cl (Chlorine), Ar (Argon),
K (Potassium, Ca (Calcium)
Wiki User
∙ 12y ago
Wiki User
∙ 12y ago- Hydrogen
- Helium
- Lithium
- Beryllium
- Boron
- Carbon
- Nitrogen
- Oxygen
- Fluorine
- Neon
- Sodium
- Magnesium
- Aluminum
- Silicon
- Phosphorus
- Sulfur
- Chlorine
- Argon
- Potassium
- Calcium
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What element was discovered first hydrogen or promethium?
Hydrogen was the first.
Which element has a lower first ionization energy than element S?
Na, sodium
Plan the prototype for a twenty-first-century primer?
jhig
Plan the prototype for a twenty-first century primer?
blob
What is the name of the first scientist who used the term element?
The name of the first scientist who used the term element was Johan Gadolin in the year 1760.
How the first twenty elements were discovered?
The first twenty element was discover when there is science in the world
What are the first twenty element compounds?
batikaniumn microfartium slugnesium pisradium butnairom farforav doshcowlum
What element has twenty neutrons?
Calcium has twenty protons and twenty electrons. The main isotope of calcium also has twenty neutrons.
What is the twenty ninth element in the periodic table of the elements?
The 29th element is copper.
Which Element has twenty seven electrons?
Cobalt
What is the twenty seventh element in the periodic table of the elements?
The 27th element is Cobalt (Co).
What element has twenty six electrons and protons?
No Element Has that kind of Configuration
What element is a alkali metal with twenty protons?
It is calcium.
It is Twenty one floor or twenty first floor?
It is twenty first floor.
What is the twenty eight element in the periodic table of the elements?
Nickel
What is the twenty fifth element in the periodic table of the elements?
Manganese
Do you capitalize the first in Twenty-first century?
nope, twenty-first century is fine
