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How many electron in an ion of radium 227?
The neutral radium atom has 88 electrons, the radium cation has 86 electrons.
What has the author J R Beattie written?
J. R. Beattie has written: 'Mercury ion thruster technology' -- subject(s): Ion engines, Ion propulsion, Combustion chambers, Mercury (Metal), Electric propulsion, Design analysis 'High-power ion thruster technology' -- subject(s): Charge transfer, Ion propulsion, Plasma propulsion, Pressure measurement, Pressure effects, Thin films, Rocket thrust, Specific impulse, Electric propulsion, Ion currents, Ions, Rocket engines, Thrust
What is the formula for radium fluoride?
The radium ion is Ra(2+).
What has the author Deny See Hoye written?
Deny See Hoye has written: 'An assessment of ion propulsion systems' -- subject(s): Ion propulsion, Electrostatics
What has the author C Collett written?
C. Collett has written: 'Fabrication and verification testing of ETM 30 cm diameter ion thrusters' -- subject(s): Electric propulsion, Ion propulsion, Ion thrusters
What has the author Jeffery M Monheiser written?
Jeffery M. Monheiser has written: 'Advanced electric propulsion research, 1991' -- subject(s): Ion accelerators, Electrostatic accelerators 'Advanced electric propulsion research, 1990' -- subject(s): Ion propulstion, Charge transer, Beam currents, Ion accelerators, Electric propulsion, Impingement
Are ion engines in use today?
At least nine missions by the ESA, Japanese Space Agency and NASA have used ion propulsion.
By how much can the ion propulsion system increase the speed of the Dawn spacecraft?
100 times?
Can we use large hadron collied to propel a spacecraft?
Using a large hadron collider (LHC) to propel a spacecraft is not feasible. The LHC is designed for high-energy particle physics experiments, not propulsion. While it accelerates particles to close to the speed of light, the energy and infrastructure required would not translate to practical spacecraft propulsion. Instead, more suitable technologies for propulsion involve ion drives, nuclear thermal propulsion, or other advanced concepts specifically designed for space travel.
How can radium be effectively removed from drinking water?
Radium can be effectively removed from drinking water through processes like ion exchange, coagulation, and filtration. These methods help to trap and remove radium particles from the water, ensuring it is safe for consumption.
What is the charge of ra ion?
A Ra ion, or radium ion, typically carries a +2 charge when it forms ions, as it usually loses two electrons to achieve a more stable electronic configuration. This results in the Ra²⁺ ion, which is commonly found in various chemical compounds. Radium is an alkaline earth metal, and like other elements in this group, it tends to have a +2 oxidation state in its ionic form.
What are main types of propulsion?
The main types of propulsion include chemical propulsion (using fuel combustion), electric propulsion (using electric power to accelerate ions or plasma), and nuclear propulsion (using nuclear reactions to generate thrust). Each type has its own advantages and is suitable for different applications in space exploration and transportation.
