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