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