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