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