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