WGU D312 Final Examination:
Anatomy and Physiology Chapters 1-
13: (Latest 2025/2026 Update) Actual
Exam Questions and Certified Answers
| 100% Correct | A Grade
Quiz_________________?
radioactive atoms have unstable -
Answer☑️
nuclei
Quiz_________________?
Atoms are the smallest stable units of __________. -
Answer☑️
matter
Quiz_________________?
The "atomic number" of an atom is determined by the number of __________ it has -
Answer☑️
protons
Quiz_________________?
One mole of any element -
Answer☑️
has the same number of atoms
, Quiz_________________?
the nucleus of an atom consists of -
Answer☑️
protons + neutrons
Quiz_________________?
A(n) __________ is a pure substance composed of atoms of only one kind -
Answer☑️
element
Quiz_________________?
Which parts of atoms can interact (react) to form chemical bonds? -
Answer☑️
valence electrons
Quiz_________________?
Atoms of oxygen have a total of 8 electrons. Are these atoms stable, and why or why not? -
Answer☑️
No, because the atoms have only 6 valence electrons, nut need 8 for stability
Quiz_________________?
Carbon atoms have four valence electrons. Are they likely to react with other atoms, and why or why
not? -
Answer☑️
Yes, because they can become more stable by doing so
Quiz_________________?
What is an ion? -
Answer☑️
, An atom that has either gained or lost electron(s)
Quiz_________________?
When an ionic bond forms, which part(s) of the atoms are directly involved? -
Answer☑️
The outermost electron shell
Quiz_________________?
How do ions form ionic bonds? -
Answer☑️
Ions of opposite electrical charges are attracted to each other to balance the charges
Quiz_________________?
In a covalent bond, -
Answer☑️
atoms share one to three pairs of electrons
Quiz_________________?
Polar covalent bonds, -
Answer☑️
share electrons unequally
Quiz_________________?
A molecule of water is formed by what type of bond? -
Answer☑️
polar covalent bonds
Quiz_________________?
Rank the types of chemical bonds, in order, from strongest to weakest -
Anatomy and Physiology Chapters 1-
13: (Latest 2025/2026 Update) Actual
Exam Questions and Certified Answers
| 100% Correct | A Grade
Quiz_________________?
radioactive atoms have unstable -
Answer☑️
nuclei
Quiz_________________?
Atoms are the smallest stable units of __________. -
Answer☑️
matter
Quiz_________________?
The "atomic number" of an atom is determined by the number of __________ it has -
Answer☑️
protons
Quiz_________________?
One mole of any element -
Answer☑️
has the same number of atoms
, Quiz_________________?
the nucleus of an atom consists of -
Answer☑️
protons + neutrons
Quiz_________________?
A(n) __________ is a pure substance composed of atoms of only one kind -
Answer☑️
element
Quiz_________________?
Which parts of atoms can interact (react) to form chemical bonds? -
Answer☑️
valence electrons
Quiz_________________?
Atoms of oxygen have a total of 8 electrons. Are these atoms stable, and why or why not? -
Answer☑️
No, because the atoms have only 6 valence electrons, nut need 8 for stability
Quiz_________________?
Carbon atoms have four valence electrons. Are they likely to react with other atoms, and why or why
not? -
Answer☑️
Yes, because they can become more stable by doing so
Quiz_________________?
What is an ion? -
Answer☑️
, An atom that has either gained or lost electron(s)
Quiz_________________?
When an ionic bond forms, which part(s) of the atoms are directly involved? -
Answer☑️
The outermost electron shell
Quiz_________________?
How do ions form ionic bonds? -
Answer☑️
Ions of opposite electrical charges are attracted to each other to balance the charges
Quiz_________________?
In a covalent bond, -
Answer☑️
atoms share one to three pairs of electrons
Quiz_________________?
Polar covalent bonds, -
Answer☑️
share electrons unequally
Quiz_________________?
A molecule of water is formed by what type of bond? -
Answer☑️
polar covalent bonds
Quiz_________________?
Rank the types of chemical bonds, in order, from strongest to weakest -
