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