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