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Thomson was the first scientist to experimentally question
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
Atoms are a basic building block of certain types of matter. Atoms make up the elements that combine to form compounds to make up much of what we use every day. Which of these substances is NOT made out of atoms?
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
Which of these statements describes a fact about an atom’s nucleus?
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
Electrons are never found in-
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
Any atom that has 13 protons is an aluminum atom. Which statement best describes what would happen if a proton were added to an aluminum atom?
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
Rutherford's experiment conflicted with Thompson's model because it showed that
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
Atoms combine to form what?
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
An atom of vanadium (V) has 23 protons and 28 neutrons. How many electrons does a neutrally charged atom of vanadium have?
the atom contains a nucleus with protons and neutrons.
a nucleus
protons
23
the existence of positive and negative particles within the atom
The atom would no longer be aluminum.
It is made of neutrons and protons.
molecules
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