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