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