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