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