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Which statement best describes the part of an atom we refer to as the electron cloud?
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
If Neon (Ne) has 10 protons in each atom. Which of the following also describes an atom of Neon.
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
What accounts for most of the mass of an atom?
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
Which of the following subatomic particles can be found inside the nucleus of an atom?
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
In looking at a model of an Oxygen atom you see that it contains 8 electrons. How many protons should it have if it is considered a stable element?
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
Which best represents how electrons are arranged in the energy levels of a Lithium (Li) atom?
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
An element with atomic number of 16 and atomic mass of 33 has how many neutrons in each atom?
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
Which distinguishes an atom of one element from an atom of a different element?
protons and neutrons
It has 10 electrons
8
the number of protons
17
It contains electrons which are negatively charged
first level = 2 electrons second level = 1 electron
protons and neutrons
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