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