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