A) 0.014g B) 14.28g/cm3 C) 0.014 g/cm3 D) 14,000 g/cm3
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 protons B) atom with different number of energy levels C) atom with different number of electrons D) atom with different number of neutrons
A) 3d B) 5s C) 4p D) 4d
A) Si B) Na C) S
A) oxygen B) nitrogen C) magnesium D) aluminum
A) 18.3atoms B) 0.56x10-24atoms C) 2.05x1024atoms D) 2.05atoms
A) 2.70mol B) 36.4x1023 mol C) 185.92mol D) 0.37mol
A) 117grams B) 0.041grams C) 222grams D) 24.67grams
A) AlCl2 B) AlCl3 C) Al2Cl D) Al2Cl3
A) composition B) combustion C) decomposition D) single-replacement
A) combustion B) composition C) double-replacement D) single-replacement
A) __,3,3,__ B) balanced C) 3,__,__,3 D) __,3,__,3
A) subscripts B) reactants C) coefficients D) products
A) 138.7grams B) 39.6grams C) 65.6grams D) 52.0grams
A) Li=+1 O=-2 B) Li=+1 O=-1 C) Li=+2 O=-1 D) Li=+2 O=-2
A) 120 g/mol B) 120 amu C) 76 amu D) 76 g/mol
A) 11% B) 89% C) 20% D) 2%
A) 74 amu B) 36 g/mol C) 36 amu D) 74 g/mol
A) double-displacement B) synthesis C) decomposition D) combustion E) single-displacement
A) combustion B) synthesis C) single-displacement D) decompostion E) double-displacement
A) synthesis B) double-displacement C) single-displacement D) combustion E) decompostion
A) decomposition B) single-displacement C) synthesis D) double-displacement E) combustion
A) synthesis B) combustion C) decomposition D) single-displacement E) double-displacement
A) oC B) atm C) L D) K
A) torr B) atm C) K D) L
A) 0.001cm3 B) 395cm3 C) 13976cm3 D) 0.047cm3
A) 805mmHg B) 1200mmHg C) 1071mmHg D) 706mmHg
A) 581K B) 855K C) 105.3K D) 303K
A) 352K B) 500K C) 421K D) 206K
A) 32atm B) 15atm C) 18.9atm D) 49atm
A) Divide by 273 B) Add 273 C) Multiply by 273 D) Subtract 273
A) 101.325kPa B) 1atm C) All of these D) 760 torr
A) oC B) Two of the above C) L D) K
A) experimentation B) communicating results C) organizing data D) research
A) sunlight B) water C) music D) growth
A) water B) music C) growth D) sunlight
A) 86000 B) 860 C) 8.6 D) 0.86
A) homegeneous mixture B) compound C) element D) heterogeneous mixture
A) air B) hydrogen C) two of these D) salt water
A) combine to form new substances B) none of these C) maintain seperate identities D) are hard to pick out
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) transition metals C) alkali metals D) noble gases
A) by atomic number B) alphabetically C) by date of discovery D) by atomic mass
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) 1s22s22p5 B) 1s12s22p5 C) 1s22s22p6 D) 1s12s12p6
A) [Ar]5s2 B) [Kr]5s2 C) [Ar] 4s2 D) [Kr]1s22s22p63s23p64s23d104p65s2
A) decreases B) increases
A) decreases B) increases
A) 3 B) 4 C) 12 D) 6
A) covalent B) special C) metallic D) ionic
A) ionic B) covalent C) special D) metallic
A) MgS4 B) MgS2 C) MgS D) Mg2S
A) CCl2 B) CCl4 C) CCl D) CCl3
A) iron (II) chloride B) iron (IV) chloride C) iron chloride D) iron dichloride
A) trinitrogen hexachloride B) nitrogen hexachloride C) nitrogen chloride D) nitrogen (III)chloride
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) __,__,__,__ B) __,3,3,__ C) __,3,__,3 D) 3,__,__,3
A) __,__,__,__ B) 2,__,2,__ C) __,2,__,2 D) __2,2,__
A) subscripts B) coefficients C) multipliers D) dividers
A) metals B) metalloids C) nonmetals
A) total neutrons B) total protons C) valence electrons D) total electrons
A) CrCl B) Cr2Cl2 C) CrCl2 D) Cr2Cl
A) NaCl B) HCl C) NaOH D) HF
A) 50 B) 0g C) 12.5g D) 25
A) acids B) neutral C) bases
A) ... B) ... C) Ms. Watson |