Gold Pyrite
Appearance: shiny and yellow
Appearance: shiny and yellow
Mass: 10 g
Mass: 10 g
Density: 19.3 g/cm3
Density: 5.0 g/cm3
Conducts electricity
Conducts electricity
Melting point: 1064°C
Melting point: 1177 - 1188°C
Changes shape when hit with a hammer Shatters when hit with a hammer
Which property can be used to tell gold and pyrite apart?
A. Shininess
B. Malleability
C. Conductivity
D. Color

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.

How many moles are contained in 5.6 l of h2 at stp