COMPREHENSIVE 2026/2027 ATI TEAS 7 CHEMISTRY STUDY GUIDE &
REVIEW EXAM QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED LATEST UPDATE GRADED A+
What are the maximum Shell 1: 2; Shell 2: 8; Shell 3: 18; Shell 4: 32.
electron capacities for the first
four shells (n=1 to n=4)?
What are the shapes of the S, P, S: Circular sphere; P: Dumbbell-like; D: Four-leaf
and D orbitals? clover.
What is the formula to find the Neutrons = Mass Number - Atomic Number.
number of neutrons in an atom?
What determines an element's The number of protons (atomic number).
fundamental identity (even if it's
an isotope)?
What is the Octet Rule? Atoms are most stable when they have at least
8 electrons in their outermost (valence) shell.
What do horizontal Periods The number of electron shells an element
on the periodic table possesses.
indicate?
What do vertical Groups on the Elements with similar chemical properties and
periodic table indicate? the number of valence electrons. (Group 2A
has 2 valence electrons).
What is the primary difference Ionic: Electrons are
between Ionic and Covalent transferred (one
bonds? takes, one gives).
REVIEW EXAM QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED LATEST UPDATE GRADED A+
What are the maximum Shell 1: 2; Shell 2: 8; Shell 3: 18; Shell 4: 32.
electron capacities for the first
four shells (n=1 to n=4)?
What are the shapes of the S, P, S: Circular sphere; P: Dumbbell-like; D: Four-leaf
and D orbitals? clover.
What is the formula to find the Neutrons = Mass Number - Atomic Number.
number of neutrons in an atom?
What determines an element's The number of protons (atomic number).
fundamental identity (even if it's
an isotope)?
What is the Octet Rule? Atoms are most stable when they have at least
8 electrons in their outermost (valence) shell.
What do horizontal Periods The number of electron shells an element
on the periodic table possesses.
indicate?
What do vertical Groups on the Elements with similar chemical properties and
periodic table indicate? the number of valence electrons. (Group 2A
has 2 valence electrons).
What is the primary difference Ionic: Electrons are
between Ionic and Covalent transferred (one
bonds? takes, one gives).
