A) 14,000 g/cm3 B) 14.28g/cm3 C) 0.014 g/cm3 D) 0.014g
A) somewhat spread apart with little movement B) very far apart and feely moving C) somewhat spread apart with almost not movement D) very close together and freely moving
A) atom with different number of energy levels B) atom with different number of electrons C) atom with different number of neutrons D) atom with different number of protons
A) 4p B) 4d C) 5s D) 3d
A) Na B) Si C) S
A) nitrogen B) magnesium C) oxygen D) aluminum
A) 0.56x10-24atoms B) 2.05x1024atoms C) 2.05atoms D) 18.3atoms
A) 0.37mol B) 2.70mol C) 185.92mol D) 36.4x1023 mol
A) 0.041grams B) 222grams C) 24.67grams D) 117grams
A) Al2Cl B) AlCl2 C) Al2Cl3 D) AlCl3
A) decomposition B) single-replacement C) combustion D) composition
A) double-replacement B) composition C) combustion D) single-replacement
A) 3,__,__,3 B) __,3,__,3 C) __,3,3,__ D) balanced
A) subscripts B) reactants C) products D) coefficients
A) 52.0grams B) 65.6grams C) 138.7grams D) 39.6grams
A) Li=+2 O=-1 B) Li=+1 O=-2 C) Li=+2 O=-2 D) Li=+1 O=-1
A) 76 amu B) 76 g/mol C) 120 amu D) 120 g/mol
A) 11% B) 2% C) 20% D) 89%
A) 74 g/mol B) 36 amu C) 36 g/mol D) 74 amu
A) synthesis B) combustion C) single-displacement D) decomposition E) double-displacement
A) decompostion B) double-displacement C) single-displacement D) combustion E) synthesis
A) synthesis B) single-displacement C) decompostion D) combustion E) double-displacement
A) decomposition B) synthesis C) double-displacement D) single-displacement E) combustion
A) combustion B) double-displacement C) synthesis D) decomposition E) single-displacement
A) oC B) atm C) L D) K
A) torr B) L C) atm D) K
A) 0.001cm3 B) 395cm3 C) 13976cm3 D) 0.047cm3
A) 1071mmHg B) 1200mmHg C) 805mmHg D) 706mmHg
A) 303K B) 581K C) 105.3K D) 855K
A) 352K B) 421K C) 206K D) 500K
A) 49atm B) 32atm C) 18.9atm D) 15atm
A) Subtract 273 B) Divide by 273 C) Add 273 D) Multiply by 273
A) 101.325kPa B) 1atm C) All of these D) 760 torr
A) Two of the above B) L C) K D) oC
A) organizing data B) communicating results C) experimentation D) research
A) music B) sunlight C) growth D) water
A) music B) growth C) sunlight D) water
A) 0.86 B) 860 C) 8.6 D) 86000
A) heterogeneous mixture B) compound C) homegeneous mixture D) element
A) two of these B) hydrogen C) air D) salt water
A) combine to form new substances B) none of these C) maintain seperate identities D) are hard to pick out
A) physical property B) chemical property
A) chemical property B) physical property
A) chemical change B) physical change
A) physical change B) chemical change
A) halogens B) alkali metals C) transition metals D) noble gases
A) by date of discovery B) alphabetically C) by atomic number D) by atomic mass
A) Rutherford B) Thomson C) Millikan
A) Rutherford B) Thomson C) Millikan
A) 9 B) 8 C) 7 D) 6
A) 6.02x1023 B) Not enough information C) it depends on the mass
A) 1s12s12p6 B) 1s22s22p6 C) 1s22s22p5 D) 1s12s22p5
A) [Ar] 4s2 B) [Kr]5s2 C) [Ar]5s2 D) [Kr]1s22s22p63s23p64s23d104p65s2
A) increases B) decreases
A) increases B) decreases
A) 6 B) 4 C) 3 D) 12
A) ionic B) special C) metallic D) covalent
A) special B) metallic C) covalent D) ionic
A) Mg2S B) MgS4 C) MgS2 D) MgS
A) CCl2 B) CCl4 C) CCl D) CCl3
A) iron (II) chloride B) iron dichloride C) iron chloride D) iron (IV) chloride
A) trinitrogen hexachloride B) nitrogen (III)chloride C) nitrogen chloride D) nitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) number of atoms B) charge C) nothing D) how much it weighs
A) transition metals B) two of these C) groups 1A,2A,3A and 4A D) 4A
A) __,3,__,3 B) __,3,3,__ C) __,__,__,__ D) 3,__,__,3
A) __,2,__,2 B) __2,2,__ C) __,__,__,__ D) 2,__,2,__
A) subscripts B) multipliers C) dividers D) coefficients
A) nonmetals B) metalloids C) metals
A) total neutrons B) total protons C) total electrons D) valence electrons
A) CrCl B) Cr2Cl2 C) Cr2Cl D) CrCl2
A) NaCl B) HCl C) HF D) NaOH
A) 25 B) 12.5g C) 0g D) 50
A) neutral B) bases C) acids
A) ... B) ... C) Ms. Watson |