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