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