PS-2.1: Structure Of The Atom Question Preview (ID: 1997)
Identify Subatomic Particles, Their Location In Atom,mass,charge; How They Determine Identity Of Atom, Atomic Mass, And Reactivity.
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As the number of electrons increases,
a) the number of occupied energy levels and the volume of the atom increase
b) the number of occupied energy levels increase, and the volume of the atom decreases.
c) the number of protons and the volume of the atom decrease,
d) the number of neutrons and the volume of the atom increase
What determines how an atom reacts with other atoms?
a) number of electrons in the outer energy level
b) number of neutrons in the nucleus
c) number of protons in the outer energy level
d) number of electrons in the nucleus
What determines the identity of an atom?
a) the number of protons (atomic number)
b) the number of neutrons (atomic number)
c) total number of protons and neutrons
d) number of energy levels
Regarding particle charge,
a) protons have a + charge; neutrons have a neutral charge, and electrons have a - charge
b) protons have a - charge; neutrons have a + charge, and electrons have a neutral charge
c) protons have a + charge; neutrons have a - charge, and electrons have a neutral charge
d) protons have a + charge; neutrons and electrons have a negativecharge
Regarding mass,
a) protons and neutrons have about the same mass: electrons are considered to have 0 mass
b) protons and electrons have about the same mass: neutrons are considered to have 0 mass
c) electrons and neutrons have about the same mass: protons are considered to have 0 mass
d) protons, electrons, and neutrons have about the same mass: 1 AMU
Electrons
a) have a negative charge and are located in an area outside nucleus
b) have a neutral charge and are located in the nucleus
c) have a positive charge and are located in the nucleus of the atom.
d) have a positive charge and are located in an area outside the nucleus.
Neutrons
a) have a neutral charge and are located in the nucleus
b) have a positive charge and are located in the nucleus of the atom.
c) have a negative charge and are located in an area outside nucleus
d) have a positive charge and are located in an area outside the nucleus.
Protons
a) have a positive charge and are located in the nucleus of the atom.
b) have a positive charge and are located in an area outside the nucleus.
c) have a negative charge and are located in an area outside nucleus
d) have a neutral charge and are located in the nucleus
The 3 major subatomic particles are
a) protons, neutrons, and electrons
b) positrons, neutrons, and electrons
c) protons, neutrinos and electrons
d) positrons, nutrinos, and electrons
What is an atom?
a) The smallest piece of matter that still retains the properties of the element.
b) The smallest piece of matter;it cannot be split into smaller pieces.
c) The "core" of matter; it is the center around which solids are built.
d) A particle consisting of two smaller parts.
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