Multiple Choice
How many neutrons are present in a neutral atom of beryllium-9?
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2. Atoms & Elements
The Atom
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How many electrons does a neutral atom of titanium contain?
A
24
B
12
C
47
D
22
Verified step by step guidance1
Identify the atomic number of titanium from the periodic table. The atomic number represents the number of protons in the nucleus of an atom.
Recall that a neutral atom has an equal number of protons and electrons to balance the positive and negative charges.
Since titanium's atomic number is 22, it has 22 protons.
Therefore, a neutral titanium atom must also have 22 electrons to be electrically neutral.
Conclude that the number of electrons in a neutral titanium atom is equal to its atomic number, which is 22.
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