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