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Which of these statements describes a fact about an electron cloud?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
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?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
Which of these statements describes a fact about an atom’s nucleus?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
Consider a wooden chair and a balloon. What do these two objects always have in common?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
Shona knows that two atoms have the same number of protons. What else can she assume about the two atoms?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
Mike is drawing a model of an atom. He will draw the electron cloud first, and then he will draw the nucleus. Where will he draw the nucleus of the atom?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
An atom of vanadium (V) has 23 protons and 28 neutrons. How many electrons does a neutrally charged atom of vanadium have?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
What is the smallest particle of an element that has all the chemical properties of the element?
It is where an atom’s electrons are found.
Both are made of atoms
protons
in the center of the atom, surrounded by the electron cloud
atom
23
It is made of neutrons and protons.
They have the same chemical properties.
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