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Short answer: boron.
Long answer: any element with 11 protons or less could theoretically have an Atomic Mass of 11, as the mass = Number of Protons + Neutrons, if you add/take a certain number of neutrons from the atom it will be able to have an atomic mass of 11, but some aren't possible and others are too unstable, and will decay instantly.
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∙ 13y ago
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∙ 14y agoBoron is an element that is in period 2 on the Periodic Table and has an atomic mass of 10.81
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∙ 14y agoSodium, Na, has the Atomic Number 11, but it is in period 3, not 2.
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∙ 9y agoBoron. If you have a chemistry reference table it has the atomic mass on the periodic table and you round the mass to the nearest whole number
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∙ 15y agoIt is Boron source : en.wikipedia.org
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∙ 15y agoBoron
Aanalia Galarza
hydrogen
Bianca Elbisser
Sodium
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What is the atomic mass of boran?
The atomic mass of boron, which is the element to which boran refers, is approximately 10.81 atomic mass units (amu).
What element has the lowest atomic number in period 3?
The element with the lowest atomic number in period 3 is sodium (Na) with an atomic number of 11.
How many neutron in sodium element?
Subtract the atomic # from the atomic mass. Atomic number = number of Protons. Atomic mass = total nucleons (Protons + Neutrons).Atomic # = 11 and Atomic Mass = 23. So 23-11 = 12 Neutrons.
What ids Boron's mass number?
Boron is a non metal element. Atomic mass of it is 11.
What is the atomic mass of neon'?
The approximate mass is 11. Technically you could express this in units of daltons as 11 Da (Daltons previously called amu, Atomic Mass unit, or as 11 (the dimensionless, relative atomic mass which chemists simply call atomic weight) .
What element is in period 2 and has an atomic mass of 11?
Boron
What is the atomic mass of boran?
The atomic mass of boron, which is the element to which boran refers, is approximately 10.81 atomic mass units (amu).
What is the explanation of the atomic mass of Sodium?
Sodium is a meta element. Atomic mass of it is 23. Atomic number of it is 11.
What element has the lowest atomic number in period 3?
The element with the lowest atomic number in period 3 is sodium (Na) with an atomic number of 11.
The atomic number of sodium the first element in Period 3 is 11 The atomic number of the second element in this period is?
it must be 12.
What is the mass number of boron 11?
Boron is a non metal element. Atomic mass number of it is 11.
How many neutron in sodium element?
Subtract the atomic # from the atomic mass. Atomic number = number of Protons. Atomic mass = total nucleons (Protons + Neutrons).Atomic # = 11 and Atomic Mass = 23. So 23-11 = 12 Neutrons.
What ids Boron's mass number?
Boron is a non metal element. Atomic mass of it is 11.
What is the atomic mass of neon'?
The approximate mass is 11. Technically you could express this in units of daltons as 11 Da (Daltons previously called amu, Atomic Mass unit, or as 11 (the dimensionless, relative atomic mass which chemists simply call atomic weight) .
Which element has an atomic mass of11?
Atomic mass numbers are not properties of elements overall, but only of particular isotopes of elements. The only stable element with an isotope with mass number 11 is boron. Beryllium and carbon also have isotopes with mass number 11, but these are radioactive.
What is the atomic weight of bromine?
The atomic mass of Boron (B) is 11 but to be more accurate, the atomic mass is 10.81.
What is the atomic number and atomic mass of Sodium?
Sodium (Na) has atomic number 11 and atomic mass of 22.99 g/mol
