A) 0.014 g/cm3 B) 0.014g C) 14.28g/cm3 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 protons D) atom with different number of energy levels
A) 3d B) 5s C) 4p D) 4d
A) Na B) Si C) S
A) magnesium B) aluminum C) oxygen D) nitrogen
A) 2.05x1024atoms B) 18.3atoms C) 0.56x10-24atoms D) 2.05atoms
A) 185.92mol B) 0.37mol C) 2.70mol D) 36.4x1023 mol
A) 222grams B) 24.67grams C) 117grams D) 0.041grams
A) AlCl3 B) Al2Cl3 C) AlCl2 D) Al2Cl
A) single-replacement B) composition C) combustion D) decomposition
A) combustion B) composition C) double-replacement D) single-replacement
A) balanced B) __,3,__,3 C) __,3,3,__ D) 3,__,__,3
A) subscripts B) reactants C) products D) coefficients
A) 138.7grams B) 52.0grams C) 39.6grams D) 65.6grams
A) Li=+2 O=-1 B) Li=+2 O=-2 C) Li=+1 O=-2 D) Li=+1 O=-1
A) 120 g/mol B) 76 g/mol C) 120 amu D) 76 amu
A) 89% B) 20% C) 2% D) 11%
A) 74 g/mol B) 36 amu C) 36 g/mol D) 74 amu
A) single-displacement B) synthesis C) double-displacement D) decomposition E) combustion
A) double-displacement B) single-displacement C) synthesis D) combustion E) decompostion
A) single-displacement B) synthesis C) decompostion D) double-displacement E) combustion
A) double-displacement B) combustion C) synthesis D) decomposition E) single-displacement
A) combustion B) single-displacement C) double-displacement D) decomposition E) synthesis
A) L B) atm C) oC D) K
A) K B) atm C) L D) torr
A) 0.047cm3 B) 0.001cm3 C) 395cm3 D) 13976cm3
A) 805mmHg B) 706mmHg C) 1200mmHg D) 1071mmHg
A) 105.3K B) 581K C) 303K D) 855K
A) 206K B) 352K C) 421K D) 500K
A) 15atm B) 32atm C) 49atm D) 18.9atm
A) Multiply by 273 B) Divide by 273 C) Add 273 D) Subtract 273
A) 101.325kPa B) All of these C) 1atm D) 760 torr
A) L B) Two of the above C) K D) oC
A) experimentation B) research C) communicating results D) organizing data
A) music B) sunlight C) water D) growth
A) water B) sunlight C) music D) growth
A) 0.86 B) 860 C) 8.6 D) 86000
A) heterogeneous mixture B) compound C) homegeneous mixture 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) chemical change B) physical change
A) chemical change B) physical change
A) noble gases B) transition metals C) halogens D) alkali metals
A) by date of discovery B) by atomic number C) by atomic mass D) alphabetically
A) Thomson B) Rutherford C) Millikan
A) Millikan B) Rutherford C) Thomson
A) 9 B) 7 C) 6 D) 8
A) 6.02x1023 B) it depends on the mass C) Not enough information
A) 1s12s12p6 B) 1s12s22p5 C) 1s22s22p5 D) 1s22s22p6
A) [Ar]5s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Kr]5s2 D) [Ar] 4s2
A) increases B) decreases
A) decreases B) increases
A) 3 B) 6 C) 4 D) 12
A) ionic B) metallic C) covalent D) special
A) special B) ionic C) covalent D) metallic
A) Mg2S B) MgS2 C) MgS D) MgS4
A) CCl B) CCl4 C) CCl2 D) CCl3
A) iron chloride B) iron (IV) chloride C) iron dichloride D) iron (II) chloride
A) nitrogen chloride B) nitrogen hexachloride C) nitrogen (III)chloride D) trinitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) charge B) number of atoms C) nothing D) how much it weighs
A) groups 1A,2A,3A and 4A B) transition metals C) 4A D) two of these
A) 3,__,__,3 B) __,3,3,__ C) __,3,__,3 D) __,__,__,__
A) __2,2,__ B) __,__,__,__ C) 2,__,2,__ D) __,2,__,2
A) multipliers B) coefficients C) subscripts D) dividers
A) nonmetals B) metalloids C) metals
A) valence electrons B) total electrons C) total neutrons D) total protons
A) CrCl2 B) Cr2Cl2 C) CrCl D) Cr2Cl
A) HF B) HCl C) NaOH D) NaCl
A) 0g B) 50 C) 12.5g D) 25
A) neutral B) acids C) bases
A) Ms. Watson B) ... C) ... |