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🇵🇰 ETEA Medical Test · flashcards
ETEA Medical Test Chemistry Flashcards
50 question-and-answer cards covering Chemistry as it is examined in ETEA Medical Test. 24 of them are printed below, taken from across the deck — no signup, no paywall on the preview.
24 sample cards from the Chemistry deck
Sampled from the end of the deck, so these are different cards from the ones shown on the syllabus page.
State Hund's rule.
Electrons occupy degenerate orbitals singly with parallel spins before any orbital is doubly occupied.
Write the ground-state electronic configuration of chlorine (Z = 17).
1s2 2s2 2p6 3s2 3p5.
Why does chromium (Z = 24) have the configuration [Ar] 3d5 4s1 instead of 3d4 4s2?
A half-filled 3d5 subshell with 4s1 gives extra stability due to symmetrical distribution and exchange energy.
Define ionization energy.
Ionization energy is the minimum energy required to remove the most loosely bound electron from one mole of gaseous atoms.
How does atomic radius vary across a period and down a group?
Atomic radius decreases across a period (left to right) and increases down a group.
How does ionization energy vary across a period and down a group?
Ionization energy increases across a period and decreases down a group.
How does electronegativity vary across a period and down a group?
Electronegativity increases across a period and decreases down a group; fluorine is the most electronegative element.
Define electron affinity.
Electron affinity is the energy change when one mole of gaseous atoms gains one mole of electrons to form gaseous anions.
Define an ionic bond.
An ionic bond is the electrostatic force of attraction between oppositely charged ions formed by the complete transfer of electrons from a metal to a non-metal.
Define a covalent bond.
A covalent bond is the bond formed by the mutual sharing of electron pairs between two non-metal atoms.
Distinguish between a polar and a non-polar covalent bond.
A polar covalent bond forms between atoms of different electronegativities (unequal sharing); a non-polar covalent bond forms between identical atoms (equal sharing).
What is a coordinate (dative) covalent bond?
A covalent bond in which both shared electrons are donated by one atom, e.g. in the ammonium ion (NH4+).
What type of hybridization and geometry are associated with sp3 hybridization?
sp3 hybridization gives 4 hybrid orbitals with tetrahedral geometry and bond angles of 109.5 degrees (e.g. CH4).
What geometry and bond angle result from sp2 hybridization?
sp2 hybridization gives 3 hybrid orbitals with trigonal planar geometry and bond angles of 120 degrees (e.g. BF3, ethene).
What geometry and bond angle result from sp hybridization?
sp hybridization gives 2 hybrid orbitals with linear geometry and a bond angle of 180 degrees (e.g. BeCl2, ethyne).
How many sigma and pi bonds are present in a carbon-carbon double bond?
A double bond contains 1 sigma bond and 1 pi bond.
What is the main postulate of VSEPR theory?
Electron pairs around a central atom arrange themselves to be as far apart as possible to minimize repulsion, determining the molecule's shape.
Order the repulsion strengths between lone pairs (lp) and bond pairs (bp) in VSEPR theory.
lp-lp > lp-bp > bp-bp.
Why is the bond angle in water (104.5 degrees) less than in methane (109.5 degrees)?
Water has two lone pairs on oxygen whose stronger repulsion compresses the H-O-H bond angle below the tetrahedral value.
What is the molecular geometry of ammonia (NH3) and its bond angle?
Trigonal pyramidal with a bond angle of about 107 degrees (one lone pair on nitrogen).
Define hydrogen bonding.
Hydrogen bonding is a strong dipole-dipole attraction between a hydrogen atom bonded to a highly electronegative atom (F, O, or N) and a lone pair on another electronegative atom.
Why does water have an unusually high boiling point compared to H2S?
Water molecules form extensive hydrogen bonds (O-H...O), requiring more energy to break than the weaker forces in H2S, raising its boiling point.
State the combined gas law equation.
P1V1/T1 = P2V2/T2, where temperature is in kelvin.
State the ideal gas equation and identify each term.
PV = nRT, where P = pressure, V = volume, n = moles, R = gas constant, and T = absolute temperature in kelvin.
What this deck covers
The Chemistry deck follows the ETEA Medical Test Chemistry syllabus — 12 chapters and 39 topics — so questions land on material that is genuinely examinable rather than trivia around it. That works out to roughly 4.2 cards per chapter.
Answers are written to be recallable, not just readable — averaging about 106 characters, which is long enough to carry the reasoning and short enough to say out loud.
A deck like this earns its keep on the second and third pass. Read the syllabus first so you know the shape of the subject, then use the cards to find the specific facts that have not stuck.
Chemistry flashcards FAQ
How many Chemistry flashcards are in this ETEA Medical Test deck?
50 cards. This page previews 24 of them, sampled evenly across the deck so you can judge the difficulty before installing anything.
Are these ETEA Medical Test flashcards free?
Yes. The preview here is free to read with no signup, and the full 50-card deck is free inside the Examius app.
What do the Chemistry cards cover?
They follow the ETEA Medical Test Chemistry syllabus — 12 chapters and 39 topics — so the questions track what is actually examinable.
How should I use these flashcards?
Read the syllabus first so you know the shape of the subject, then drill the deck. Examius schedules each card with spaced repetition, so cards you keep missing come back sooner and ones you know drift further apart.