A) 14,000 g/cm3 B) 14.28g/cm3 C) 0.014g D) 0.014 g/cm3
A) somewhat spread apart with little movement B) very far apart and feely moving C) very close together and freely moving D) somewhat spread apart with almost not movement
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) 3d B) 4p C) 5s D) 4d
A) S B) Na C) Si
A) nitrogen B) magnesium C) aluminum D) oxygen
A) 18.3atoms B) 2.05atoms C) 0.56x10-24atoms D) 2.05x1024atoms
A) 2.70mol B) 36.4x1023 mol C) 185.92mol D) 0.37mol
A) 0.041grams B) 24.67grams C) 117grams D) 222grams
A) AlCl2 B) Al2Cl C) AlCl3 D) Al2Cl3
A) combustion B) decomposition C) composition D) single-replacement
A) composition B) combustion C) double-replacement D) single-replacement
A) 3,__,__,3 B) __,3,3,__ C) __,3,__,3 D) balanced
A) coefficients B) reactants C) subscripts D) products
A) 65.6grams B) 52.0grams C) 39.6grams D) 138.7grams
A) Li=+2 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-1 D) Li=+1 O=-2
A) 120 g/mol B) 120 amu C) 76 g/mol D) 76 amu
A) 20% B) 2% C) 89% D) 11%
A) 36 g/mol B) 36 amu C) 74 g/mol D) 74 amu
A) double-displacement B) synthesis C) decomposition D) combustion E) single-displacement
A) single-displacement B) synthesis C) double-displacement D) combustion E) decompostion
A) combustion B) single-displacement C) synthesis D) decompostion E) double-displacement
A) single-displacement B) synthesis C) combustion D) decomposition E) double-displacement
A) combustion B) single-displacement C) decomposition D) synthesis E) double-displacement
A) atm B) L C) oC D) K
A) L B) K C) atm D) torr
A) 0.047cm3 B) 395cm3 C) 13976cm3 D) 0.001cm3
A) 1071mmHg B) 1200mmHg C) 805mmHg D) 706mmHg
A) 581K B) 303K C) 855K D) 105.3K
A) 500K B) 421K C) 352K D) 206K
A) 15atm B) 18.9atm C) 49atm D) 32atm
A) Add 273 B) Divide by 273 C) Multiply by 273 D) Subtract 273
A) 760 torr B) 1atm C) All of these D) 101.325kPa
A) oC B) Two of the above C) K D) L
A) communicating results B) experimentation C) research D) organizing data
A) water B) sunlight C) music D) growth
A) sunlight B) music C) water D) growth
A) 860 B) 8.6 C) 86000 D) 0.86
A) homegeneous mixture B) element C) compound D) heterogeneous mixture
A) salt water B) hydrogen 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) noble gases C) alkali metals D) halogens
A) by atomic number B) by date of discovery C) by atomic mass D) alphabetically
A) Millikan B) Thomson C) Rutherford
A) Rutherford B) Thomson C) Millikan
A) 9 B) 7 C) 6 D) 8
A) 6.02x1023 B) it depends on the mass C) Not enough information
A) 1s12s22p5 B) 1s22s22p5 C) 1s12s12p6 D) 1s22s22p6
A) [Kr]1s22s22p63s23p64s23d104p65s2 B) [Kr]5s2 C) [Ar]5s2 D) [Ar] 4s2
A) increases B) decreases
A) decreases B) increases
A) 12 B) 6 C) 3 D) 4
A) metallic B) covalent C) ionic D) special
A) ionic B) covalent C) metallic D) special
A) Mg2S B) MgS C) MgS4 D) MgS2
A) CCl4 B) CCl C) CCl2 D) CCl3
A) iron chloride B) iron (II) chloride C) iron dichloride D) iron (IV) chloride
A) nitrogen chloride B) nitrogen (III)chloride C) trinitrogen hexachloride D) nitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) nothing B) charge C) how much it weighs D) number of atoms
A) transition metals B) 4A C) two of these D) groups 1A,2A,3A and 4A
A) __,__,__,__ B) __,3,3,__ C) 3,__,__,3 D) __,3,__,3
A) __,2,__,2 B) __,__,__,__ C) 2,__,2,__ D) __2,2,__
A) multipliers B) subscripts C) dividers D) coefficients
A) nonmetals B) metals C) metalloids
A) total protons B) valence electrons C) total electrons D) total neutrons
A) Cr2Cl2 B) CrCl2 C) Cr2Cl D) CrCl
A) NaOH B) NaCl C) HCl D) HF
A) 12.5g B) 0g C) 50 D) 25
A) bases B) acids C) neutral
A) Ms. Watson B) ... C) ... |