A) Shell B) Energy band C) Orbit D) Electron cloud
A) Thomson’s B) Rutherford’s C) Schrodinger’s D) Bohr’s Atomic Model
A) 4s B) 3p C) 3d D) 3s
A) Rutherford B) Bohr C) Dalton D) J.J. Thomson
A) Planetary B) Quantum Mechanical Model C) Plum pudding D) Nuclear
A) 6 B) 2 C) 10 D) 14
A) transfer of electrons B) attraction between ions C) gaining of protons D) sharing of electrons
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) Cation B) Neutral atom C) Anion D) Proton
A) Anion B) Metal C) Proton D) Cation
A) Mass number B) Atomic number C) Isotopes D) Valence electrons
A) CO₂ B) KBr C) NaCl D) MgCl₂
A) Bonding Rule B) Periodic Rule C) Octet Rule D) Stability Rule
A) Cl– B) Cl2+ C) Cl+ D) Cl2–
A) 1s² 2s² 2p⁵ B) 1s² 2s² 2p⁴ C) 1s² 2s² 2p⁶ D) 1s² 2s¹ 2p⁶
A) Sulfur B) Chlorine C) Argon D) Aluminum
A) Liquid only B) Solid or gas C) Gas or liquid D) Solid only
A) Anion B) Cation C) Molecule D) Isotope
A) Thomson B) Dalton C) Bohr D) Rutherford
A) Rutherford B) Dalton C) Bohr D) J.J. Thomson
A) Chadwick B) Bohr C) Rutherford D) Thomson
A) Bohr B) Dalton C) Erwin Schrodinger D) Heisenberg
A) Bohr B) Schrodinger C) Dalton D) Democritus
A) Nonmetals B) Metals C) Metalloids D) Noble gases
A) Nonmetals B) Metals C) Metalloids D) Noble gases
A) Sodium ion that gained an electron B) Neutral sodium C) Sodium atom D) Sodium ion that lost one electron
A) 2 B) 1 C) 4 D) 3
A) 5 B) 7 C) 3 D) 1
A) MgBr B) MgBr2 C) Mg2Br2 D) Mg2Br
A) Molecule B) Compound C) Ion D) Atom
A) Iron and Sulfur B) Carbon and Hydrogen C) Sodium and Oxygen D) Nitrogen and Helium
A) Aromatic B) Alkene C) Alkyne D) Alkane
A) Vitamins B) Carbohydrates C) Lipids D) Proteins
A) CarbohydrateS B) Lipids C) Esters D) Proteins
A) Nucleic acids B) Carbohydrates C) Lipids D) Proteins
A) Na + Cl → NaCl B) C + O → CO₂ C) N + O → NO₂ D) H + O → H₂O
A) Alcohol B) Ketone C) Ester D) Acid
A) Protein B) Carbohydrate C) Nucleic acid D) Lipid
A) Electrons move in specific energy levels. B) Electrons are motionless. C) The nucleus repels electrons. D) Atoms contain neutrons.
A) Niels Bohr’s B) Schrödinger’s C) Thomson’s D) Rutherford’s
A) Solid A is covalent, Solid B is ionic B) Both are covalent C) Solid A is ionic, Solid B is covalent D) Both are metallic
A) Metallic B) Polar covalent C) Nonpolar covalent D) Ionic
A) N (1s² 2s² 2p³) B) Li (1s² 2s¹) C) Ne (1s² 2s² 2p⁶) D) O (1s² 2s² 2p⁴)
A) H (1s¹) and H (1s¹) B) Na (1s²2s²2p⁶3s¹) and Cl (1s²2s²2p⁶3s²3p⁵) C) C (1s²2s²2p²) and O (1s²2s²2p⁴) D) O (1s²2s²2p⁴) and H (1s¹)
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) Electrolytic B) Covalent C) Metallic D) Ionic
A) They are metals. B) They are inorganic. C) They form carbohydrates, proteins, lipids, and nucleic acids D) They are gases.
A) Nucleic acid B) Lipid C) Protein D) Carbohydrate
A) DNA or RNA B) Sugars C) Proteins D) Lipids
A) Both are the same. B) Athlete B – protein gives oxygen. C) Athlete A – carbohydrates provide immediate energy. D) Athlete B – protein builds muscle faster. |