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