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