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