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