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