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