According to the Atomic Theory,
A) all atoms are different.
B) atoms are neither created nor destroyed during a chemical reaction.
C) atoms of the same element combine to form compounds.
D) all matter is made up of tiny particles called electrons.
E) a compound can contain different numbers of atoms as long as it has the same kinds of atoms.
Correct Answer:
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Q26: Consider a neutral atom with 30 protons
Q30: What is the mass number of an
Q31: Identify the metalloid in the following list.
A)sulfur
B)fluorine
C)silver
D)copper
E)germanium
Q32: In an atom,the nucleus contains _.
A)an equal
Q35: The smallest particle of an element that
Q40: The atomic number of an atom is
Q41: What is the electron configuration for aluminum?
A)1s22s22p63s23p1
B)1s22s22p63s23p3
C)1s22s22p63s23p5
D)1s22s22p63s23p6
E)1s22s22p63s23p8
Q42: What is the element with the abbreviated
Q43: The maximum number of electrons that may
Q44: Which of the following is NOT true
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