A) 0.014 g/cm3 B) 14,000 g/cm3 C) 14.28g/cm3 D) 0.014g
A) somewhat spread apart with little movement B) very far apart and feely moving C) very close together and freely moving 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 electrons D) atom with different number of neutrons
A) 3d B) 5s C) 4p D) 4d
A) S B) Na C) Si
A) nitrogen B) oxygen C) aluminum D) magnesium
A) 0.56x10-24atoms B) 2.05atoms C) 2.05x1024atoms D) 18.3atoms
A) 185.92mol B) 36.4x1023 mol C) 2.70mol D) 0.37mol
A) 0.041grams B) 24.67grams C) 117grams D) 222grams
A) Al2Cl B) AlCl2 C) Al2Cl3 D) AlCl3
A) single-replacement B) combustion C) decomposition D) composition
A) double-replacement B) combustion C) composition D) single-replacement
A) __,3,__,3 B) 3,__,__,3 C) balanced D) __,3,3,__
A) coefficients B) subscripts C) products D) reactants
A) 65.6grams B) 52.0grams C) 39.6grams D) 138.7grams
A) Li=+2 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-2 D) Li=+1 O=-1
A) 120 amu B) 76 amu C) 120 g/mol D) 76 g/mol
A) 11% B) 89% C) 20% D) 2%
A) 74 g/mol B) 36 g/mol C) 74 amu D) 36 amu
A) decomposition B) single-displacement C) combustion D) synthesis E) double-displacement
A) decompostion B) single-displacement C) double-displacement D) synthesis E) combustion
A) combustion B) double-displacement C) single-displacement D) synthesis E) decompostion
A) synthesis B) decomposition C) single-displacement D) double-displacement E) combustion
A) decomposition B) double-displacement C) combustion D) single-displacement E) synthesis
A) L B) oC C) atm D) K
A) K B) atm C) torr D) L
A) 0.001cm3 B) 0.047cm3 C) 13976cm3 D) 395cm3
A) 706mmHg B) 1200mmHg C) 805mmHg D) 1071mmHg
A) 303K B) 105.3K C) 855K D) 581K
A) 500K B) 421K C) 206K D) 352K
A) 15atm B) 18.9atm C) 32atm D) 49atm
A) Multiply by 273 B) Divide by 273 C) Subtract 273 D) Add 273
A) 760 torr B) All of these C) 101.325kPa D) 1atm
A) oC B) L C) K D) Two of the above
A) organizing data B) experimentation C) communicating results D) research
A) sunlight B) growth C) music D) water
A) water B) music C) sunlight D) growth
A) 0.86 B) 860 C) 8.6 D) 86000
A) heterogeneous mixture B) element C) compound D) homegeneous mixture
A) two of these B) air C) hydrogen D) salt water
A) combine to form new substances B) are hard to pick out C) none of these D) maintain seperate identities
A) physical property B) chemical property
A) chemical property B) physical property
A) chemical change B) physical change
A) physical change B) chemical change
A) transition metals B) alkali metals C) noble gases D) halogens
A) by atomic mass B) alphabetically C) by date of discovery D) by atomic number
A) Millikan B) Rutherford C) Thomson
A) Thomson B) Millikan C) Rutherford
A) 9 B) 8 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) [Kr]5s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Ar] 4s2 D) [Ar]5s2
A) increases B) decreases
A) decreases B) increases
A) 4 B) 12 C) 6 D) 3
A) special B) metallic C) ionic D) covalent
A) covalent B) ionic C) special D) metallic
A) MgS4 B) MgS C) MgS2 D) Mg2S
A) CCl B) CCl4 C) CCl3 D) CCl2
A) iron (II) chloride B) iron chloride C) iron (IV) chloride D) iron dichloride
A) nitrogen chloride B) trinitrogen hexachloride 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) 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) __,2,__,2 B) 2,__,2,__ C) __2,2,__ D) __,__,__,__
A) coefficients B) subscripts C) multipliers D) dividers
A) nonmetals B) metalloids C) metals
A) total neutrons B) total electrons C) valence electrons D) total protons
A) Cr2Cl2 B) CrCl C) CrCl2 D) Cr2Cl
A) NaOH B) NaCl C) HCl D) HF
A) 12.5g B) 50 C) 0g D) 25
A) bases B) acids C) neutral
A) Ms. Watson B) ... C) ... |