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) very far apart and feely moving C) somewhat spread apart with little movement D) somewhat spread apart with almost not movement
A) atom with different number of energy levels B) atom with different number of protons C) atom with different number of neutrons D) atom with different number of electrons
A) 4p B) 4d C) 5s D) 3d
A) Si B) S C) Na
A) nitrogen B) magnesium C) oxygen D) aluminum
A) 2.05atoms B) 0.56x10-24atoms C) 18.3atoms D) 2.05x1024atoms
A) 2.70mol B) 185.92mol C) 0.37mol D) 36.4x1023 mol
A) 0.041grams B) 222grams C) 24.67grams D) 117grams
A) AlCl2 B) Al2Cl3 C) Al2Cl D) AlCl3
A) composition B) decomposition C) single-replacement D) combustion
A) double-replacement B) single-replacement C) composition D) combustion
A) __,3,3,__ B) 3,__,__,3 C) balanced D) __,3,__,3
A) coefficients B) products C) reactants D) subscripts
A) 65.6grams B) 39.6grams C) 138.7grams D) 52.0grams
A) Li=+1 O=-2 B) Li=+2 O=-2 C) Li=+2 O=-1 D) Li=+1 O=-1
A) 120 g/mol B) 76 amu C) 76 g/mol D) 120 amu
A) 11% B) 2% C) 89% D) 20%
A) 74 amu B) 36 amu C) 36 g/mol D) 74 g/mol
A) synthesis B) single-displacement C) decomposition D) double-displacement E) combustion
A) double-displacement B) synthesis C) decompostion D) single-displacement E) combustion
A) combustion B) double-displacement C) single-displacement D) synthesis E) decompostion
A) decomposition B) synthesis C) double-displacement D) single-displacement E) combustion
A) single-displacement B) combustion C) synthesis D) decomposition E) double-displacement
A) atm B) L C) K D) oC
A) K B) torr C) L D) atm
A) 0.001cm3 B) 0.047cm3 C) 13976cm3 D) 395cm3
A) 1200mmHg B) 805mmHg C) 1071mmHg D) 706mmHg
A) 303K B) 105.3K C) 855K D) 581K
A) 352K B) 500K C) 206K D) 421K
A) 18.9atm B) 15atm C) 49atm D) 32atm
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) K B) oC C) Two of the above D) L
A) communicating results B) research C) organizing data D) experimentation
A) growth B) music C) sunlight D) water
A) water B) sunlight C) music D) growth
A) 860 B) 0.86 C) 8.6 D) 86000
A) compound B) element C) homegeneous mixture D) heterogeneous mixture
A) two of these B) salt water C) air 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) chemical change B) physical change
A) physical change B) chemical change
A) noble gases B) alkali metals C) halogens D) transition metals
A) alphabetically B) by atomic number C) by atomic mass D) by date of discovery
A) Thomson B) Millikan C) Rutherford
A) Rutherford B) Millikan C) Thomson
A) 8 B) 7 C) 9 D) 6
A) it depends on the mass B) Not enough information C) 6.02x1023
A) 1s12s12p6 B) 1s22s22p5 C) 1s22s22p6 D) 1s12s22p5
A) [Ar] 4s2 B) [Ar]5s2 C) [Kr]5s2 D) [Kr]1s22s22p63s23p64s23d104p65s2
A) increases B) decreases
A) increases B) decreases
A) 4 B) 3 C) 12 D) 6
A) special B) metallic C) ionic D) covalent
A) ionic B) covalent C) special D) metallic
A) MgS4 B) MgS C) MgS2 D) Mg2S
A) CCl3 B) CCl4 C) CCl2 D) CCl
A) iron dichloride B) iron (IV) chloride C) iron (II) chloride D) iron chloride
A) nitrogen hexachloride B) nitrogen chloride C) trinitrogen hexachloride D) nitrogen (III)chloride
A) shares electrons B) donates/accepts electrons
A) how much it weighs B) number of atoms C) charge D) nothing
A) two of these B) groups 1A,2A,3A and 4A C) 4A D) transition metals
A) __,3,3,__ B) __,3,__,3 C) 3,__,__,3 D) __,__,__,__
A) __,__,__,__ B) __2,2,__ C) __,2,__,2 D) 2,__,2,__
A) subscripts B) coefficients C) multipliers D) dividers
A) nonmetals B) metals C) metalloids
A) total neutrons B) valence electrons C) total electrons D) total protons
A) Cr2Cl2 B) Cr2Cl C) CrCl2 D) CrCl
A) HF B) NaOH C) NaCl D) HCl
A) 25 B) 0g C) 12.5g D) 50
A) bases B) neutral C) acids
A) ... B) ... C) Ms. Watson |