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Atomic structure True and false Questions and Answers 100% Solved
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Atomic structure True and false
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Atomic structure True and falseFalse: Nucleus - answer The central core of the atom is called the HUB.
True - answer The chart showing the classifications of elements according to their
properties and increasing atomic numbers is called the PERIODIC TABLE
False: Neutron - answer The mass of an ELECTRON is about equal to the mass of
proton.
False: Family or Groups - answer Elements arranged in vertical columns in the periodic
table are called PERIODS.
False: CL - answer The symbol for chlorine is C.
False: 8 - answer The maximum number of electrons in the second energy level of an
atom is 4.
False: Neutrons - answerTwo isotopes of Carbon are carbon-12 and carbon-14. These
isotopes differ from one another by two ELECTRONS.
True - answerNONMETALS are poor conductors of heat and electricity.
False: nonmetals - answerSeven electrons in the outermost energy level is
characteristic of a METAL
True - answerQuarks can be produced by bombarding PROTONS with protons
False: Atomic Number - answerThe number of protons in an atom is called the ATOMIC
MASS.
True - answerThe sum of the number of protons and the number of neutrons in an atom
is the MASS NUMBER
False: Mass number - answerThe weighted average of the mass numbers of all the
isotopes that occur in nature for a particular element is the AVERAGE ATOMIC
NUMBER.
True - answerA very stable electrons arrangement in the outer energy level is
characteristic of NOBLE GASES
False: Metals - answerElements having three or fewer electrons in the outer energy
level are classified as NONMETALS
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