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Chemistry ec 1

Horizontales
Radioactive decay is
The process by which an unstable nucleus spontaneously emits high energy particles or rays from the nucleus in order to attain a more stable nuclear state
the relationship between the nuclear force and the electrostatic forces between protons
Ray with negative charge
Blocks alpha rays
Attains stability by losing, gaining, or sharing electrons
When an atom’s mass number decreases by 4 and its atomic number decreases by 2.
Blocks beta rays
causes protons to repel other protons
Ray with high-frequency
will capture an electrom from inner energy levels
Verticales
An attractive force that binds protons and neutrons together in the nucleus
a particle that has the same mass as an electron, but an opposite charge.
attain stability through changes in the nucleus
When the atom’s mass number remains the same and the atomic number increases by 1.
Shows how atoms decay
ray with positive charge
Blocks gamma rays
The radiation is absorbed
The radiation given off