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