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Questions and Answers
Isotopes have the same atomic mass, atomic number, and neutron number.
Isotopes have the same atomic mass, atomic number, and neutron number.
False (B)
Isobars are atoms of different elements with the same atomic number but different mass numbers.
Isobars are atoms of different elements with the same atomic number but different mass numbers.
True (A)
Isotones have the same number of neutrons but different atomic numbers.
Isotones have the same number of neutrons but different atomic numbers.
True (A)
Isomers are identical atoms with differences in energy states due to nucleon arrangements.
Isomers are identical atoms with differences in energy states due to nucleon arrangements.
Isotopes and isotones have the same atomic number.
Isotopes and isotones have the same atomic number.
Isobars have different atomic mass and atomic number.
Isobars have different atomic mass and atomic number.
In Rutherford's nuclear model of the atom, the nucleus is described as positively charged and surrounded by a cloud of electrons.
In Rutherford's nuclear model of the atom, the nucleus is described as positively charged and surrounded by a cloud of electrons.
Bohr's model of the atom viewed electrons as moving in random paths around the nucleus.
Bohr's model of the atom viewed electrons as moving in random paths around the nucleus.
The nucleus of an atom contains protons and electrons.
The nucleus of an atom contains protons and electrons.
The atomic model that represented the atom as a plum pudding or positive sphere with negative electrons embedded throughout was proposed by Mendeleev.
The atomic model that represented the atom as a plum pudding or positive sphere with negative electrons embedded throughout was proposed by Mendeleev.
According to Dalton's atomic model, atoms of different elements have different properties due to their different sizes and masses.
According to Dalton's atomic model, atoms of different elements have different properties due to their different sizes and masses.
The number of shells occupied in an atom depends on how many neutrons are present in the nucleus.
The number of shells occupied in an atom depends on how many neutrons are present in the nucleus.
Rutherford's Nuclear Model proposed that the atom is composed mostly of empty space with a small, dense nucleus in the center.
Rutherford's Nuclear Model proposed that the atom is composed mostly of empty space with a small, dense nucleus in the center.
Bohr's Miniature Solar System Model states that electrons orbit the nucleus in fixed paths or orbits, similar to planets orbiting the sun.
Bohr's Miniature Solar System Model states that electrons orbit the nucleus in fixed paths or orbits, similar to planets orbiting the sun.
Thomson's Plum Pudding Model proposed that the atom is a solid sphere with negatively charged electrons scattered throughout it.
Thomson's Plum Pudding Model proposed that the atom is a solid sphere with negatively charged electrons scattered throughout it.
Mendeleev's Periodic Table is based on arranging elements according to their increasing atomic number.
Mendeleev's Periodic Table is based on arranging elements according to their increasing atomic number.
Dalton's Atomic Model suggested that elements could be classified based on integral values of atomic mass.
Dalton's Atomic Model suggested that elements could be classified based on integral values of atomic mass.
J.J. Thomson discovered electrons and proposed the Plum Pudding Model of the Atom.
J.J. Thomson discovered electrons and proposed the Plum Pudding Model of the Atom.
