A) 0.014 g/cm3 B) 14,000 g/cm3 C) 14.28g/cm3 D) 0.014g
A) very close together and freely moving B) somewhat spread apart with little movement C) very far apart and feely moving D) somewhat spread apart with almost not movement
A) atom with different number of electrons B) atom with different number of neutrons C) atom with different number of energy levels D) atom with different number of protons
A) 3d B) 4d C) 4p D) 5s
A) Si B) S C) Na
A) aluminum B) nitrogen C) magnesium D) oxygen
A) 2.05x1024atoms B) 18.3atoms C) 2.05atoms D) 0.56x10-24atoms
A) 185.92mol B) 2.70mol C) 36.4x1023 mol D) 0.37mol
A) 117grams B) 222grams C) 0.041grams D) 24.67grams
A) AlCl3 B) Al2Cl3 C) AlCl2 D) Al2Cl
A) composition B) combustion C) decomposition D) single-replacement
A) combustion B) double-replacement C) single-replacement D) composition
A) __,3,__,3 B) balanced C) 3,__,__,3 D) __,3,3,__
A) products B) reactants C) coefficients D) subscripts
A) 138.7grams B) 65.6grams C) 52.0grams D) 39.6grams
A) Li=+2 O=-1 B) Li=+1 O=-2 C) Li=+1 O=-1 D) Li=+2 O=-2
A) 120 g/mol B) 76 amu C) 76 g/mol D) 120 amu
A) 11% B) 20% C) 2% D) 89%
A) 36 g/mol B) 74 amu C) 36 amu D) 74 g/mol
A) double-displacement B) decomposition C) synthesis D) combustion E) single-displacement
A) double-displacement B) decompostion C) single-displacement D) synthesis E) combustion
A) synthesis B) decompostion C) single-displacement D) combustion E) double-displacement
A) combustion B) synthesis C) single-displacement D) decomposition E) double-displacement
A) double-displacement B) combustion C) single-displacement D) synthesis E) decomposition
A) K B) L C) atm D) oC
A) L B) torr C) K D) atm
A) 13976cm3 B) 395cm3 C) 0.047cm3 D) 0.001cm3
A) 1200mmHg B) 1071mmHg C) 805mmHg D) 706mmHg
A) 581K B) 303K C) 855K D) 105.3K
A) 206K B) 421K C) 352K D) 500K
A) 49atm B) 15atm C) 32atm D) 18.9atm
A) Divide by 273 B) Multiply by 273 C) Add 273 D) Subtract 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) communicating results B) research C) organizing data D) experimentation
A) sunlight B) music C) water D) growth
A) music B) growth C) sunlight D) water
A) 860 B) 86000 C) 0.86 D) 8.6
A) compound B) homegeneous mixture C) element D) heterogeneous mixture
A) salt water B) two of these C) hydrogen D) air
A) are hard to pick out B) maintain seperate identities C) combine to form new substances 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) alkali metals B) halogens C) transition metals D) noble gases
A) by atomic number B) by date of discovery C) by atomic mass D) alphabetically
A) Millikan B) Rutherford C) Thomson
A) Millikan B) Thomson C) Rutherford
A) 9 B) 6 C) 7 D) 8
A) Not enough information B) 6.02x1023 C) it depends on the mass
A) 1s12s12p6 B) 1s12s22p5 C) 1s22s22p5 D) 1s22s22p6
A) [Ar] 4s2 B) [Kr]5s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Ar]5s2
A) increases B) decreases
A) decreases B) increases
A) 4 B) 6 C) 3 D) 12
A) ionic B) covalent C) special D) metallic
A) metallic B) covalent C) ionic D) special
A) MgS4 B) Mg2S C) MgS2 D) MgS
A) CCl4 B) CCl C) CCl2 D) CCl3
A) iron (II) chloride B) iron (IV) chloride C) iron chloride D) iron dichloride
A) nitrogen hexachloride B) trinitrogen hexachloride C) nitrogen chloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) charge B) number of atoms C) nothing D) how much it weighs
A) groups 1A,2A,3A and 4A B) 4A C) two of these D) transition metals
A) __,3,3,__ B) __,__,__,__ C) 3,__,__,3 D) __,3,__,3
A) __,2,__,2 B) __,__,__,__ C) __2,2,__ D) 2,__,2,__
A) multipliers B) coefficients C) subscripts D) dividers
A) metals B) nonmetals C) metalloids
A) total protons B) valence electrons C) total neutrons D) total electrons
A) CrCl2 B) CrCl C) Cr2Cl2 D) Cr2Cl
A) HCl B) NaCl C) HF D) NaOH
A) 0g B) 50 C) 25 D) 12.5g
A) bases B) neutral C) acids
A) ... B) Ms. Watson C) ... |