A) 14,000 g/cm3 B) 0.014g C) 0.014 g/cm3 D) 14.28g/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 energy levels B) atom with different number of neutrons C) atom with different number of protons D) atom with different number of electrons
A) 4p B) 3d C) 5s D) 4d
A) S B) Si C) Na
A) nitrogen B) oxygen C) magnesium D) aluminum
A) 2.05x1024atoms B) 18.3atoms C) 2.05atoms D) 0.56x10-24atoms
A) 36.4x1023 mol B) 2.70mol C) 185.92mol D) 0.37mol
A) 117grams B) 0.041grams C) 24.67grams D) 222grams
A) Al2Cl3 B) Al2Cl C) AlCl2 D) AlCl3
A) decomposition B) single-replacement C) composition D) combustion
A) double-replacement B) single-replacement C) combustion D) composition
A) balanced B) __,3,__,3 C) __,3,3,__ D) 3,__,__,3
A) products B) coefficients C) reactants D) subscripts
A) 52.0grams B) 65.6grams C) 138.7grams D) 39.6grams
A) Li=+1 O=-2 B) Li=+2 O=-2 C) Li=+1 O=-1 D) Li=+2 O=-1
A) 120 amu B) 120 g/mol C) 76 g/mol D) 76 amu
A) 89% B) 2% C) 20% D) 11%
A) 74 amu B) 74 g/mol C) 36 g/mol D) 36 amu
A) synthesis B) single-displacement C) decomposition D) double-displacement E) combustion
A) synthesis B) combustion C) double-displacement D) decompostion E) single-displacement
A) single-displacement B) double-displacement C) decompostion D) combustion E) synthesis
A) double-displacement B) decomposition C) single-displacement D) combustion E) synthesis
A) double-displacement B) combustion C) synthesis D) single-displacement E) decomposition
A) oC B) K C) atm D) L
A) torr B) K C) atm D) L
A) 0.001cm3 B) 395cm3 C) 0.047cm3 D) 13976cm3
A) 805mmHg B) 706mmHg C) 1071mmHg D) 1200mmHg
A) 855K B) 105.3K C) 303K D) 581K
A) 500K B) 206K C) 352K D) 421K
A) 49atm B) 18.9atm C) 15atm D) 32atm
A) Multiply by 273 B) Divide by 273 C) Subtract 273 D) Add 273
A) 101.325kPa B) 1atm C) 760 torr D) All of these
A) L B) oC C) K D) Two of the above
A) communicating results B) experimentation C) organizing data D) research
A) growth B) music C) water D) sunlight
A) water B) sunlight C) music D) growth
A) 86000 B) 8.6 C) 860 D) 0.86
A) element B) heterogeneous mixture C) compound D) homegeneous mixture
A) salt water B) hydrogen C) two of these D) air
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) physical property B) chemical property
A) physical change B) chemical change
A) chemical change B) physical change
A) halogens B) alkali metals C) noble gases D) transition metals
A) alphabetically B) by date of discovery C) by atomic number D) by atomic mass
A) Thomson B) Millikan C) Rutherford
A) Millikan B) Thomson C) Rutherford
A) 7 B) 9 C) 8 D) 6
A) 6.02x1023 B) Not enough information C) it depends on the mass
A) 1s12s22p5 B) 1s22s22p6 C) 1s12s12p6 D) 1s22s22p5
A) [Kr]5s2 B) [Ar] 4s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Ar]5s2
A) decreases B) increases
A) decreases B) increases
A) 4 B) 6 C) 12 D) 3
A) ionic B) special C) covalent D) metallic
A) special B) metallic C) ionic D) covalent
A) Mg2S B) MgS4 C) MgS2 D) MgS
A) CCl B) CCl4 C) CCl2 D) CCl3
A) iron chloride B) iron (II) chloride C) iron dichloride D) iron (IV) chloride
A) trinitrogen hexachloride B) nitrogen chloride C) nitrogen hexachloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) how much it weighs B) charge C) number of atoms D) nothing
A) transition metals B) two of these C) 4A D) groups 1A,2A,3A and 4A
A) __,__,__,__ B) 3,__,__,3 C) __,3,3,__ D) __,3,__,3
A) __,__,__,__ B) 2,__,2,__ C) __2,2,__ D) __,2,__,2
A) multipliers B) subscripts C) dividers D) coefficients
A) metals B) nonmetals C) metalloids
A) total neutrons B) total protons C) valence electrons D) total electrons
A) Cr2Cl B) CrCl C) Cr2Cl2 D) CrCl2
A) HCl B) NaOH C) NaCl D) HF
A) 0g B) 12.5g C) 25 D) 50
A) bases B) acids C) neutral
A) ... B) Ms. Watson C) ... |