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