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