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