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If Bromine has an atomic number of 35 and has 45 neutrons what is its mass number?
The mass number of an element is the sum of its protons and neutrons. Since Bromine has 35 protons (atomic number) and 45 neutrons, its mass number would be 35 + 45 = 80.
What does 80 in the name bromine -80 represent?
the 80 in Bromine-80 represents the rounded atomic mass (amu)
An atom of bromine has a mass about four times greater than that of an atom of neon which comparison of the relative numbers of bromine and neon atoms in 1000 g of each element?
In 1000g of bromine, there are fewer atoms compared to 1000g of neon because the atomic mass of bromine is higher. This means that the same mass of bromine contains a lower number of atoms compared to neon due to the higher atomic mass of bromine.
Aluminum will react with bromine to form aluminum bromide Al2Br6 What mass of bromine g is needed to form 1.42 mol of Al2Br6?
The gram formula unit or molar mass for aluminum bromide is 533.38.* Therefore, 1.42 moles has a mass of 757.4 grams. The mass of 6 moles of bromine atoms is 479.42. Therefore, the mass fraction of bromine in aluminum bromide is 479.42/757.4 or 0.633, and the mass in grams of bromine required to form 1.42 moles of aluminum bromide is 0.633 X 757.4 or 479 grams, to the justified number of significant digits (limited by the precision given for the number of moles.) ___________________ *This is equal to the sum of (2 times the gram atomic mass of aluminum) and (6 times the gram atomic mass of bromine).
How many electrons protons and neutrons are there in an atom of bromine 81?
An atom of bromine-81 has 35 protons, 35 electrons, and 46 neutrons. This is because the atomic number of bromine is 35, which corresponds to the number of protons and electrons, and the atomic mass of bromine-81 is 81, which is the sum of protons and neutrons.
What is the Mass number of a bromine atom?
Bromine has an approximate atomic mass of 79.904.
What is the atomic number and mass number of bromine?
Bromine is a non meta element. Atomic mass of it is 80.
What are the atomic number and mass number of bromine?
The mass number is the som of protons and neutrons in the atomic nucleus of a chemical element. Each isotope has a different mass number. For natural isotopes of bromine the mass numbers are 79 and 81.
How many electrons are present in a bromine atom with a mass number of 87?
A bromine atom with a mass number of 87 has 35 protons (since bromine has an atomic number of 35). Since it is neutral, it also has 35 electrons.
If Bromine has an atomic number of 35 and has 45 neutrons what is its mass number?
The mass number of an element is the sum of its protons and neutrons. Since Bromine has 35 protons (atomic number) and 45 neutrons, its mass number would be 35 + 45 = 80.
Bromine has an atomic number of 35 and a mass of 80 why isn't Bromine's atomic number 70?
atomic number is based on the number of neutrons and electrons.
How many electrons are present in bromine atom with mass number of 87?
A bromine atom, regardless of its mass number, has an atomic number of 35, which means it has 35 protons and, in a neutral state, also 35 electrons. Therefore, a bromine atom with a mass number of 87 will have 35 electrons. The mass number indicates the total number of protons and neutrons, but it does not affect the number of electrons in a neutral atom.
How do you find the protons and neutrons in bromine?
To find the protons in Bromine, atoms always have the same number of protons as their atomic number, so since Bromine has an atomic number of 35, it has 35 protons. To find the average number of neutrons in Bromine, you take the the atomic mass and take away the number of protons (in this case 35), so since Bromine's atomic mass is 79.90, you take away 35 to get the number of neutrons. The average number of neutrons in Bromine is 44.90.
Determine the number of bromine molecules present in the flask containing 0.120 of liquid bromine?
To determine the number of bromine molecules, you need to first convert the mass of liquid bromine to moles using its molar mass. Then, use Avogadro's number (6.022 x 10^23) to convert moles to molecules.
What is the mass in atoms of 350 mol of bromine?
To find the mass of 350 mol of bromine, you need to multiply the number of moles by the molar mass of bromine. The molar mass of bromine is approximately 79.9 g/mol. So, 350 mol * 79.9 g/mol = 27965 g. Therefore, the mass of 350 mol of bromine is 27965 grams.
What nuclear symbol of bromine?
The nuclear symbol of bromine is ^79Br, which represents an atom of bromine with an atomic mass of 79 and an atomic number of 35.
What does 80 in the name bromine -80 represent?
the 80 in Bromine-80 represents the rounded atomic mass (amu)
