Structure Of The Atom Question Preview (ID: 50496)
Atom Is The Smallest Entity Of Matter. This Game Aims To Structure Of The Atom Course For Grade 8 Students.
TEACHERS: click here for quick copy question ID numbers.
Cl (Z=17, A=35) and Cl (Z=17, A=37) are:
a) Allotropes.
b) Isotopes.
c) Isomers.
d) Different elements.
Isotopes are:
a) Atoms that have the same atomic number.
b) Atoms that have different number of neutrons
c) Atoms that have different mass numbers
d) All of the above
The atom is electrically neutral since:
a) Protons balance Neutrons.
b) Electrons balance Neutrons.
c) Protons exceed Electrons
d) Protons balance Electrons
The neutral particles are called:
a) Electrons.
b) Neutrons.
c) Protons.
d) Positrons.
The mass of the atom is concentrated in:
a) The Energy Levels.
b) The Electron Cloud.
c) The Nucleus.
d) Outside the Nucleus.
The charge of the nucleus is:
a) Negative.
b) Positive
c) Neutral.
d) None of the above.
The number of neutrons N can be determined by:
a) N = A – Z.
b) N = A + Z
c) N = Z - A
d) A = Z – N.
The main subatomic particles are:
a) Protons and Electrons.
b) Protons and Neutrons.
c) Electrons, Protons and Neutrons.
d) None of the above.
The number of elements in this set V(Z=7, A=14)- W(Z=12,A=25)-X(Z=6,A=12)-Y(Z=7,A=13) and Z(Z=6,A=13) is:
a) 2
b) 3
c) 4
d) 5
An element is defined by its:
a) Atomic number.
b) Mass number.
c) Number of neutrons.
d) Atomic mass.
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