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Boron is a metal element. Atomic Mass of it is 11.
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How many electrons is there in boron if there is a atomic number or 5 and atomic mass of 11?
All you need is the atomic number, which gives the number of protons, in this case, 5. In any neutral atom the number of electrons is the same as the number of protons. So any neutral boron atom will have 5 electrons.
Calculate the mass in grams of 6.75 and Atilde and 151 103 mol of boron.?
7.3x10^4 g
What does the mass number on the periodic table mean?
The mass number is the combined number of protons and neutrons in the nucleus of the particular element you are looking at. NOTE: (don't be confused by the periodic table) Different elements have isotopes with varying mass numbers, so the mass number displayed on a periodic table is the ratio of those isotopic mass numbers in any given sample of the element your examining. This ratio is often confused with with the mass number of the element when it is displayed on periodic tables, it is actually the relative atomic mass. You can tell if a number is the mass number or a relative atomic mass by whether or not it is a whole number if it is then it's a mass number if it has decimal places out beside it then you're looking at relative atomic mass.
What is the mass number for Fe?
The number of Neutrons and Protons in the nucleus.So it would be 26 Protons and 30 Neutrons so...26+30=56<so that is the mass number.
How many moles of tomatoes are in 3.01 x 30 23 tomatoes?
3.01×10²³
What is the mass number for boron?
The mass number for boron is 10.
What percent of the mass of the isotope boron-10 are neutrons?
Boron-10 isotope has 5 neutrons out of a total of 10 particles, so the percentage of neutrons in boron-10 is 50%.
How many Nuetrons are there in one atom of boron whose mass number is 10?
There are five neutrons in one atom of boron with a mass number of 10. Boron has an atomic number of 5, so 10 (mass number) - 5 (atomic number) = 5 neutrons.
How many neutrons does Boron have if the mass number is 10?
Boron typically has 5 neutrons, as the mass number is the sum of the protons and neutrons in the nucleus. In this case, with a mass number of 10, and Boron having 5 protons (atomic number 5), the number of neutrons is 5 (10 - 5 = 5).
What is the mass number of boron?
Atomic mass number of boron(B) - 11
What approximate mass would a sample of naturally occurring boron (B) that contains 1 x 106 atoms of boron have?
The molar mass of boron is approximately 10.81 g/mol. To find the mass of 1 x 10^6 atoms of boron, divide the number of atoms by Avogadro's number to get the number of moles, then multiply by the molar mass of boron. Therefore, the mass of 1 x 10^6 boron atoms would be approximately 1 x 10^-5 grams.
What is the number of 6 neutrons from a mass number of 10?
To find the number of neutrons in an atom, subtract the atomic number from the mass number. Therefore, for an atom with a mass number of 10 and an atomic number of 4, there would be 6 neutrons (10 - 4 = 6).
What approximate mass would a sample of naturally occurring boron (B) that contains 1 and times 106 atoms of boron have?
The molar mass of boron is approximately 10.81 g/mol. To calculate the mass of 1 x 10^6 boron atoms, you divide 6.022 x 10^23 (Avogadro's number) by 1 x 10^6 to find the number of moles, which equals 0.001673 moles. Multiply this by the molar mass of boron to get approximately 0.0181 grams.
How do boron -10 and boron -11 differ?
Boron-10 and Boron-11 differ in their number of neutrons. Boron-10 has 5 neutrons, while Boron-11 has 6 neutrons. This mass difference results in different properties and applications for each isotope.
What is the mass number of boron 11?
Boron is a non metal element. Atomic mass number of it is 11.
What is the mass of one boron atom in grams?
mass (g) = atomic wight / Avogadro's number Avo = 6.022x10^23
Why is boron's atomic mass 10.82 and not 11?
Boron has two naturally occurring isotopes, boron-10 and boron-11. The atomic mass of 10.82 arises from the weighted average of the isotopic masses and their abundances in a sample of boron found in nature. Boron-10 is more abundant than boron-11, causing the average atomic mass to be closer to 10.82 than 11.
