UPS COACHING Knowledge Assessment (CKA) for
ICF certification GUIDE
FOR 2025/2026 TESTS|MOST COMMON
QUESTIONS WITH CORRECTLY VERIFIED ANSWERS
(LATEST QUIZZES) |ALREADY A+
GRADED|GUARANTEED PASS
atom - Basic unit of matter
Neutrons - the particles of the nucleus that have no charge
Protons - positively charged subatomic particles found in the nucleus
atomic number - the number of protons in the nucleus of an atom
atomic mass - The average mass of all the isotopes of an element, calculated by adding
the number of protons and neutrons
isotope - Atoms of the same element that have different numbers of neutrons; a change
in neutrons will cause a different atomic MASS
radioactive decay - The breakdown of a radioactive element, releasing particles and
energy
half-life - length of time required for half of the radioactive atoms in a sample to decay
ICF certification GUIDE
FOR 2025/2026 TESTS|MOST COMMON
QUESTIONS WITH CORRECTLY VERIFIED ANSWERS
(LATEST QUIZZES) |ALREADY A+
GRADED|GUARANTEED PASS
atom - Basic unit of matter
Neutrons - the particles of the nucleus that have no charge
Protons - positively charged subatomic particles found in the nucleus
atomic number - the number of protons in the nucleus of an atom
atomic mass - The average mass of all the isotopes of an element, calculated by adding
the number of protons and neutrons
isotope - Atoms of the same element that have different numbers of neutrons; a change
in neutrons will cause a different atomic MASS
radioactive decay - The breakdown of a radioactive element, releasing particles and
energy
half-life - length of time required for half of the radioactive atoms in a sample to decay
