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