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