A) 0.014g B) 14.28g/cm3 C) 14,000 g/cm3 D) 0.014 g/cm3
A) somewhat spread apart with almost not movement B) somewhat spread apart with little movement C) very close together and freely moving 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 energy levels D) atom with different number of neutrons
A) 4p B) 3d C) 4d D) 5s
A) S B) Na C) Si
A) aluminum B) nitrogen C) oxygen D) magnesium
A) 0.56x10-24atoms B) 18.3atoms C) 2.05x1024atoms D) 2.05atoms
A) 185.92mol B) 2.70mol C) 0.37mol D) 36.4x1023 mol
A) 117grams B) 222grams C) 24.67grams D) 0.041grams
A) AlCl3 B) Al2Cl C) AlCl2 D) Al2Cl3
A) single-replacement B) combustion C) decomposition D) composition
A) composition B) single-replacement C) combustion D) double-replacement
A) balanced B) __,3,__,3 C) 3,__,__,3 D) __,3,3,__
A) subscripts B) coefficients C) products D) reactants
A) 65.6grams B) 52.0grams C) 39.6grams 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) 120 g/mol D) 76 g/mol
A) 11% B) 2% C) 20% D) 89%
A) 36 g/mol B) 36 amu C) 74 g/mol D) 74 amu
A) combustion B) double-displacement C) decomposition D) single-displacement E) synthesis
A) double-displacement B) single-displacement C) combustion D) decompostion E) synthesis
A) decompostion B) double-displacement C) synthesis D) combustion E) single-displacement
A) decomposition B) synthesis C) double-displacement D) single-displacement E) combustion
A) synthesis B) double-displacement C) single-displacement D) combustion E) decomposition
A) oC B) K C) L D) atm
A) K B) atm C) torr D) L
A) 395cm3 B) 13976cm3 C) 0.001cm3 D) 0.047cm3
A) 706mmHg B) 1071mmHg C) 1200mmHg D) 805mmHg
A) 303K B) 105.3K C) 581K D) 855K
A) 352K B) 500K C) 421K D) 206K
A) 15atm B) 49atm C) 32atm D) 18.9atm
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) K B) Two of the above C) oC D) L
A) communicating results B) experimentation C) organizing data D) research
A) growth B) sunlight C) water D) music
A) water B) sunlight C) music D) growth
A) 860 B) 86000 C) 8.6 D) 0.86
A) element B) homegeneous mixture C) compound D) heterogeneous mixture
A) air B) hydrogen C) salt water D) two of these
A) combine to form new substances B) none of these C) maintain seperate identities D) are hard to pick out
A) chemical property B) physical property
A) chemical property B) physical property
A) physical change B) chemical change
A) chemical change B) physical change
A) alkali metals B) noble gases C) transition metals D) halogens
A) by atomic number B) alphabetically C) by atomic mass D) by date of discovery
A) Thomson B) Rutherford C) Millikan
A) Thomson B) Millikan C) Rutherford
A) 7 B) 8 C) 6 D) 9
A) 6.02x1023 B) Not enough information C) it depends on the mass
A) 1s12s12p6 B) 1s22s22p5 C) 1s12s22p5 D) 1s22s22p6
A) [Ar] 4s2 B) [Kr]5s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Ar]5s2
A) decreases B) increases
A) decreases B) increases
A) 12 B) 4 C) 3 D) 6
A) special B) covalent C) metallic D) ionic
A) metallic B) covalent C) special D) ionic
A) MgS B) MgS2 C) Mg2S D) MgS4
A) CCl2 B) CCl4 C) CCl D) CCl3
A) iron chloride B) iron (IV) chloride C) iron (II) chloride D) iron dichloride
A) trinitrogen hexachloride B) nitrogen chloride C) nitrogen (III)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) 4A C) two of these D) transition metals
A) __,__,__,__ B) __,3,3,__ C) __,3,__,3 D) 3,__,__,3
A) __,2,__,2 B) 2,__,2,__ C) __2,2,__ D) __,__,__,__
A) multipliers B) subscripts C) coefficients D) dividers
A) metals B) metalloids C) nonmetals
A) total electrons B) total protons C) valence electrons D) total neutrons
A) Cr2Cl B) CrCl C) Cr2Cl2 D) CrCl2
A) NaCl B) HF C) NaOH D) HCl
A) 0g B) 50 C) 25 D) 12.5g
A) acids B) bases C) neutral
A) ... B) Ms. Watson C) ... |