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