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