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