Which statement describing atoms is false?
A) The number of protons in an atom is referred to as the atomic number of the atom.
B) The total number of protons, neutrons, and electrons in an atom is referred to as the mass number of the atom.
C) Protons and neutrons are located in the nucleus of an atom.
D) Electrons are located in the space outside the nucleus called the electron cloud.
Correct Answer:
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Q23: Which element is an s block element?
A)S
B)Ar
C)He
D)La
E)None
Q30: Which element has the smallest ionization energy?
A)K
B)Ga
C)Br
D)Rb
Q30: The proper electron-dot symbol for aluminum is
A)
Q33: An atom of the isotope chlorine-37 consists
Q36: Which element is a d block element?
A)S
B)Ar
C)Ag
D)As
E)None
Q36: Which element is chemically similar to lithium?
A)sulfur
B)magnesium
C)iron
D)lanthanum
E)potassium
Q37: The electron configuration of chlorine is 1s22s22p63s23p5.
Q39: Which element is chemically similar to chlorine?
A)sulfur
B)calcium
C)oxygen
D)bromine
E)argon
Q46: Antimony is a metalloid containing 51 protons
Q56: A sulfur atom has a larger atomic
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