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