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