A) Electron cloud B) Shell C) Energy band D) Orbit
A) Rutherford’s B) Schrodinger’s C) Thomson’s D) Bohr’s Atomic Model
A) 4s B) 3d C) 3s D) 3p
A) Bohr B) Rutherford C) J.J. Thomson D) Dalton
A) Quantum Mechanical Model B) Planetary C) Plum pudding D) Nuclear
A) 10 B) 14 C) 6 D) 2
A) transfer of electrons B) sharing of electrons C) attraction between ions D) gaining of protons
A) Atoms that form molecules B) Atoms with equal protons and electrons C) Atoms that gain or lose electrons D) Atoms with no charge
A) Proton B) Anion C) Cation D) Neutral atom
A) Cation B) Anion C) Metal D) Proton
A) Valence electrons B) Atomic number C) Isotopes D) Mass number
A) NaCl B) MgCl₂ C) CO₂ D) KBr
A) Bonding Rule B) Octet Rule C) Periodic Rule D) Stability Rule
A) Cl+ B) Cl2– C) Cl2+ D) Cl–
A) 1s² 2s² 2p⁵ B) 1s² 2s² 2p⁶ C) 1s² 2s¹ 2p⁶ D) 1s² 2s² 2p⁴
A) Chlorine B) Sulfur C) Aluminum D) Argon
A) Solid or gas B) Gas or liquid C) Solid only D) Liquid only
A) Molecule B) Isotope C) Cation D) Anion
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Dalton B) Rutherford C) J.J. Thomson D) Bohr
A) Chadwick B) Thomson C) Rutherford D) Bohr
A) Heisenberg B) Dalton C) Bohr D) Erwin Schrodinger
A) Schrodinger B) Dalton C) Democritus D) Bohr
A) Noble gases B) Metalloids C) Nonmetals D) Metals
A) Metalloids B) Noble gases C) Nonmetals D) Metals
A) Sodium ion that lost one electron B) Sodium ion that gained an electron C) Neutral sodium D) Sodium atom
A) 2 B) 4 C) 3 D) 1
A) 1 B) 7 C) 5 D) 3
A) Mg2Br2 B) MgBr C) Mg2Br D) MgBr2
A) Molecule B) Ion C) Compound D) Atom
A) Carbon and Hydrogen B) Nitrogen and Helium C) Iron and Sulfur D) Sodium and Oxygen
A) Aromatic B) Alkyne C) Alkane D) Alkene
A) Vitamins B) Lipids C) Carbohydrates D) Proteins
A) CarbohydrateS B) Esters C) Lipids D) Proteins
A) Carbohydrates B) Proteins C) Lipids D) Nucleic acids
A) N + O → NO₂ B) Na + Cl → NaCl C) C + O → CO₂ D) H + O → H₂O
A) Acid B) Ketone C) Alcohol D) Ester
A) Lipid B) Nucleic acid C) Carbohydrate D) Protein
A) Electrons are motionless. B) Electrons move in specific energy levels. C) The nucleus repels electrons. D) Atoms contain neutrons.
A) Schrödinger’s B) Rutherford’s C) Thomson’s D) Niels Bohr’s
A) Both are covalent B) Both are metallic C) Solid A is ionic, Solid B is covalent D) Solid A is covalent, Solid B is ionic
A) Polar covalent B) Ionic C) Metallic D) Nonpolar covalent
A) N (1s² 2s² 2p³) B) Ne (1s² 2s² 2p⁶) C) O (1s² 2s² 2p⁴) D) Li (1s² 2s¹)
A) C (1s²2s²2p²) and O (1s²2s²2p⁴) B) H (1s¹) and H (1s¹) C) O (1s²2s²2p⁴) and H (1s¹) D) Na (1s²2s²2p⁶3s¹) and Cl (1s²2s²2p⁶3s²3p⁵)
A) Group number equals number of shells B) No relation C) Group number equals the total number of electrons D) Group number equals the number of valence electrons for main group elements
A) Ionic B) Covalent C) Metallic D) Electrolytic
A) They are inorganic. B) They are gases. C) They form carbohydrates, proteins, lipids, and nucleic acids D) They are metals.
A) Lipid B) Carbohydrate C) Nucleic acid D) Protein
A) Lipids B) Proteins C) Sugars D) DNA or RNA
A) Athlete B – protein gives oxygen. B) Athlete B – protein builds muscle faster. C) Both are the same. D) Athlete A – carbohydrates provide immediate energy. |