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Hydrogen. Atomic number is defined by the number of protons in an element and increases from left to right (H=1, He=2, Li=3, etc.).
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What is the d block element with the smallest atomic number?
Scandium. Its atomic number is 21. It is the first d block element.
Which elements has the smallest atomic number?
Hydrogen is a non metal element. Atomic number of it is 1.
What has the lowest atomic number of any metal?
Bromine, because Bromine has an atomic mass of only 5.
What is the smallest element?
ATOM
What is the term for the value that indicates the number of protons for an atom of a given element?
The atomic number is the number of protons in an atom of an element.
What is the smallest solid element?
The solid element with the lowest atomic number is lithium, with an atomic number of 3.
What has the smallest atomic number?
Hydrogen is a gas element. It had the smallest atomic number.
What is the element with the smallest atomic number?
Hydrogen
What is the d block element with the smallest atomic number?
Scandium. Its atomic number is 21. It is the first d block element.
Which elements has the smallest atomic number?
Hydrogen is a non metal element. Atomic number of it is 1.
What is the heaviest lanthanide?
The smallest atomic number and atomic weight for a lanthanide is lanthanum itself, element 57. The smallest atomic size is lutecium element 71; the lanthanides steadily decrease in atomic radius through the series, and the smallest is the last of them.
Which element has the smallest atomic number helium carbon nitrogen hydrogen?
Hydrogen.
Any element can always be identified by its?
The atomic number of an element is equal to the number of protons in the nucleus of that element; it will identify the element. The number of neutrons of a given element may be different as the element may have a number of isotopes.
What element has a smaller atomic number gold plutonium or fluorine?
The atomic number of Gold is 79. The atomic number of plutonium is 94. The atomic number of fluorine is 9. Thus fluorine has the smallest atomic number of the three.
What has the lowest atomic number of any metal?
Bromine, because Bromine has an atomic mass of only 5.
Which is the smallest element in the periodic table?
Hydrogen has the smallest atomic size of any element.
What is the element with the smallest atomic mass?
Hydrogen
