StraighterLine Chemistry Final Exam 2025 |
Brand-New Actual Exam with Verified Correct
Answers | 100% Updated & Guaranteed A+
1. Precipitate - correct answer -When a solid comes out of a
solution
2. Acid-base reactions are also called - correct answer -
neutralization reactions
3. Arrhenius - correct answer -Defined acids as proton donors and
bases as hydroxide donors
4. Reddox or oxidation-reduction - correct answer -reaction where
electrons are transferred from one reactant to another
,5. Orbital - correct answer -plot of the wavefunction squared that
gives the probability map of the electron's position
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6. Wavelength - correct answer -the distance between the wave
peaks and troughs
7. Amplitude - correct answer -the magnitude of a wave; in sound,
the primary determinant of loudness
8. Node - correct answer -Point in wavefunction where the
electron cannot be found
9. Emission Spectrum - correct answer -radiation that is emitted
by atoms
10. The specific orbitals that electrons occupy determine the
atom's - correct answer -electron configuration
11. Pauli Exclusion Principle - correct answer -Two electrons in
the same orbital must have opposite spins
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12. valence electrons - correct answer -Electrons on the
outermost energy level of an atom
13. Stable nuclei have __, ____, ____, _______, _____, ______
protons - correct answer -2, 8, 20, 50, 82, 126
14. Element essential for plant growth - correct answer -
potassium
15. S Block Element - correct answer -Most main group
elements
16. P Block - correct answer -Most nonmetallic elements
17. Kelvin = C + - correct answer -273.15
18. Density = - correct answer -Mass/Volume