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