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In a way that's really too complicated to explain here. Take an upper-division college course in nuclear engineering if you really want to know. Calculus will be required.
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Why the stability decrease with increasing atomic mass?
Stability depends on to proton/neutron ratio; and this ratio increase with the atomic number.
What characteristic was used to organize the first periodic table?
Mendeleev arranged the periodic table according to increasing atomic mass. This method has been used since he first developed it in the 1800s.
What is the change in an mass number after alpha decay?
The mass number decreases by 4 and the atomic number decreases by 2.
What is the general trend that you observe from a graph that plots atomic number vs atomic mass?
Atomic mass generally increasing with atomic number, although there are a few exceptions.
Was the modern periodic table organized according to atomic mass?
No, it is based upon the Atomic Number - the number of protons contained within an atomic nucleus is what 'distinguishes' one type of Atom from another type. Variations in atomic mass are secondary in consideration.
Why the stability decrease with increasing atomic mass?
Stability depends on to proton/neutron ratio; and this ratio increase with the atomic number.
In what order did Mendeleev arrange the elements in the first periodic table?
Mendeleev arranged the elements in the periodic table according to their atomic masses.
How does force affects mass and acceleration?
Increasing force increases acceleration but increasing mass decreases acceleration.
What happen to atomic number and mass number of nucleus when it emits alpha particle electron and proton?
It's been awhile for me, but this is how I remember it. It is not convenient for me to look it up right at the moment, so you may want to verify this. Emitting an alpha particle (2 proton 2 neutron), atomic number would decrease by 2 and atomic mass decreases by 4.Electron emission means a neutron turns into a proton and electron, but the electron shoots out. The atomic number increases by 1 and atomic mass stays the same. Proton emission, well it loses a proton. So the atomic number decreases and mass decreases.
How does changing force and mass affects acceleration?
Increasing force increases acceleration but increasing mass decreases acceleration.
What characteristic was used to organize the first periodic table?
Mendeleev arranged the periodic table according to increasing atomic mass. This method has been used since he first developed it in the 1800s.
What is the change in an mass number after alpha decay?
The mass number decreases by 4 and the atomic number decreases by 2.
What do protons and neutrons equal?
It may or may not equal, neutrons are responsible for stability of nucleus.
What happens to the mass and atomic number when there is an alpha decay?
The mass decreases by 4 units and the atomic number by two units.
Mendeleev arranged the elements in his periodic table in order of?
Mendeleev arranged the elements by increasing atomic mass instead of like today by increasing atomic number.
What is the general trend that you observe from a graph that plots atomic number vs atomic mass?
Atomic mass generally increasing with atomic number, although there are a few exceptions.
How did mendellev design the periodic table?
Mendeleev designed the periodic table by increasing atomic mass. But it was later changed to increasing atomic number.
