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