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