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