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How many atomic mass units does an electron have?
Approximately 1/1850 amus.
What elements have such small masses that they are not even considered when atomic masses are calculated?
Electrons
Which statement best explains why most atomic masses on the periodric table are decimal numbers?
Atomic masses are a weighted average of the naturally occurring isotopes.
Number of atomic masses radium has?
See the link below for the masses of all radium isotopes.
When masses combine to form elements with larger masses?
Atomic fusion occurs when masses combine to form elements with larger mass.
True or false relative atomic masses sre measured in amus?
true
State the name and the mass of the isotope relative to which all atomic masses are measured?
Carbon-12 is used as the standard by which the atomic masses of other nuclides are measured.
What is vanadium's atomic radii?
vanadiums atomic weight is 50 AMUs
Relative atomic masses are measured in?
Atomic mass is measured in a unit called an "atomic mass unit". This unit is defined as 1/12 of the mass of a carbon-12 atom at ground state.An atomic mass unit is approximately 1.66053886 x 10-27 kg.Atomic mass is measured in atomic mass units (amu) and Daltons.
How many atomic mass units does an electron have?
Approximately 1/1850 amus.
A Russian chemist named Dmitri Mendeleev organized elements by?
Mostly by atomic mass, but in some cases by (educated) guess where he thought the measured atomic masses weren't correct.
How do atomic numbers and atomic masses increase in the periodic table?
The atomic number and atomic masses increase as you move from left to right.
By adding the atomic masses?
You will get the atomic bomb!
Why are gram formula masses called relative masses?
They are called relative masses because all of the masses of the elements are measured relative to the mass of an isotope of carbon called carbon-12. Carbon-12 has been assigned a mass of exactly 12 atomic mass units. One atomic mass unit has an actual value of 1.660538782(83)×10^−27 kg.
Is chlorine measured in grams?
all masses are measured in grams
How were the atomic number and the atomic masses of the elements determined?
Atomic masses are determined by mass spectrometry. The atomic number is identic with the number of protons in the atom - depends on position in the periodic table.
The average atomic mass of an element is the average of the atomic masses of its?
The average atomic mass of an element is the average of the atomic masses of its isotopes (that is a weighted average). You have to take into account the abundance of each isotope when they do your averaging.
