A) 14,000 g/cm3 B) 14.28g/cm3 C) 0.014g D) 0.014 g/cm3
A) very far apart and feely moving B) very close together and freely moving C) somewhat spread apart with almost not movement D) somewhat spread apart with little movement
A) atom with different number of protons B) atom with different number of neutrons C) atom with different number of energy levels D) atom with different number of electrons
A) 4d B) 5s C) 4p D) 3d
A) Na B) Si C) S
A) magnesium B) aluminum C) oxygen D) nitrogen
A) 2.05atoms B) 0.56x10-24atoms C) 18.3atoms D) 2.05x1024atoms
A) 36.4x1023 mol B) 185.92mol C) 2.70mol D) 0.37mol
A) 24.67grams B) 117grams C) 222grams D) 0.041grams
A) AlCl3 B) Al2Cl C) Al2Cl3 D) AlCl2
A) composition B) decomposition C) single-replacement D) combustion
A) combustion B) single-replacement C) double-replacement D) composition
A) __,3,__,3 B) __,3,3,__ C) balanced D) 3,__,__,3
A) subscripts B) reactants C) coefficients D) products
A) 39.6grams B) 52.0grams C) 138.7grams D) 65.6grams
A) Li=+2 O=-1 B) Li=+2 O=-2 C) Li=+1 O=-2 D) Li=+1 O=-1
A) 76 amu B) 76 g/mol C) 120 g/mol D) 120 amu
A) 89% B) 11% C) 20% D) 2%
A) 36 g/mol B) 74 g/mol C) 74 amu D) 36 amu
A) decomposition B) synthesis C) double-displacement D) combustion E) single-displacement
A) double-displacement B) decompostion C) synthesis D) single-displacement E) combustion
A) single-displacement B) combustion C) double-displacement D) decompostion E) synthesis
A) single-displacement B) synthesis C) double-displacement D) combustion E) decomposition
A) synthesis B) double-displacement C) combustion D) decomposition E) single-displacement
A) atm B) K C) L D) oC
A) L B) atm C) torr D) K
A) 395cm3 B) 13976cm3 C) 0.001cm3 D) 0.047cm3
A) 805mmHg B) 706mmHg C) 1200mmHg D) 1071mmHg
A) 855K B) 105.3K C) 303K D) 581K
A) 421K B) 206K C) 500K D) 352K
A) 32atm B) 18.9atm C) 15atm D) 49atm
A) Multiply by 273 B) Subtract 273 C) Add 273 D) Divide by 273
A) 760 torr B) 101.325kPa C) All of these D) 1atm
A) L B) K C) Two of the above D) oC
A) research B) experimentation C) communicating results D) organizing data
A) water B) growth C) sunlight D) music
A) music B) sunlight C) water D) growth
A) 8.6 B) 86000 C) 0.86 D) 860
A) element B) homegeneous mixture C) heterogeneous mixture D) compound
A) hydrogen B) two of these C) air D) salt water
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) chemical change B) physical change
A) halogens B) alkali metals C) noble gases D) transition 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) 8 B) 9 C) 7 D) 6
A) it depends on the mass B) 6.02x1023 C) Not enough information
A) 1s12s12p6 B) 1s12s22p5 C) 1s22s22p6 D) 1s22s22p5
A) [Ar] 4s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Ar]5s2 D) [Kr]5s2
A) increases B) decreases
A) increases B) decreases
A) 4 B) 3 C) 6 D) 12
A) ionic B) covalent C) special D) metallic
A) special B) metallic C) ionic D) covalent
A) MgS4 B) MgS C) Mg2S D) MgS2
A) CCl3 B) CCl4 C) CCl2 D) CCl
A) iron (IV) chloride B) iron chloride C) iron dichloride D) iron (II) chloride
A) nitrogen (III)chloride B) nitrogen chloride C) trinitrogen hexachloride D) nitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) charge B) how much it weighs C) number of atoms D) nothing
A) transition metals B) two of these C) groups 1A,2A,3A and 4A D) 4A
A) __,3,3,__ B) 3,__,__,3 C) __,__,__,__ D) __,3,__,3
A) 2,__,2,__ B) __,2,__,2 C) __,__,__,__ D) __2,2,__
A) subscripts B) dividers C) multipliers D) coefficients
A) metalloids B) nonmetals C) metals
A) total electrons B) valence electrons C) total neutrons D) total protons
A) Cr2Cl2 B) CrCl C) Cr2Cl D) CrCl2
A) HCl B) NaCl C) HF D) NaOH
A) 50 B) 12.5g C) 0g D) 25
A) neutral B) acids C) bases
A) ... B) Ms. Watson C) ... |