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