Chapter 4: Atomic Structure

What are the three components of an atom?
Protons, Neutrons, Electrons
Protons, Photons, Electrons
There are only two-Protons and Neutrons
Only Protons and Electrons
What is the amu?
Average mass off all isotopes of an element
A compund with Americium and Uranium
The mass of a single atom
The mass number of an element
How do you determine the number of electrons in a neutral atom?
Based on the atomic mass
Based on the number of neutrons
Based on the Atomic number
Based on the type of element
Which scientist is considered the father of modern atomic theory?
Democritus
John Dalton
Dimitri Medeleev
J.J. Thomson
Oxygen has a mass number of 16. Which of the following isotopes is likely the most abundant?
Oxygen-13
Oxygen-17
Oxygen-25
Oxygen-16
Sulphur has an Atomic number of 16 and a mass number of 32. How many Electrons are there?
16
32
19
48
Titanium has an atomic number 22 and a mass number of 48. How many Protons, Neutrons, Electrons?
What is the charge of an atom with 13 Protons and 14 Electrons?
Positive
Negative
Neutral
All isotopes found in the natural world come in mixtures of two or more.
True
False
What makes one different from another?
The number of neutrons
The number of protons
The number of electrons
The number of isotopes
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