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