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