Boron is a non metal element. Atomic Mass of it is 11.
The atomic weight of uranium is 238,02891(3) atomic mass units. The mass number is the total number of nucleons (protons an neutrons) in the nucleus; the mass number is different for each isotope: 234U: mass number 234 235U: mass number 235 238U: mass number 238
Mass number minus the atomic number equals the number of neutrons. Mass number is the number of particles in an atom that have significant mass. Electrons are assigned a value of 0 since the mass is so much smaller than protons and neutrons. Protons and neutrons are similar in mass and are assigned mass number of 1. The formula for calculating atomic mass atomic mass = # protons + # neutrons.
We can find atomic mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.
Mass number = number of protons + number of neutrons in an atom
To find the mass number of an element, add together the number of protons and neutrons in the nucleus of an atom. The mass number is typically written as a superscript to the left of the element symbol.
Borons atomic no. is 5...
group 13
0 in elemental form +3 in its compounds
B
It is Black/Brown.
The different type of chemicals mixed together
borons weakness are acid. carbon nitrate
254
16
Borons current loss is B10 and B11
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12