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