Hollow spaces in earths crust

1. Acids have relatively high pH compared to water? * true or false 2 which are slippery when cleaning? * bases, solvents, acids or solutions? 3.

What is the reducing agent in the following reaction: 2Mg + O2 → 2MgO? O Mg Mg and O Neither element

The Galilean moons are satellites of which planet? Jupiter Mars Saturn Uranus

7. a new element with atomic number 116 was discovered in 200. in 2012 it was named livermourium. although lv is radioactive and short-lived, its chemical properties and reactivity should follow periodic trends (a) Write the electron configuration

Explain why the quantum number set (3,3,-2, + 1/2) is not possible for an electron in a ground-state atom

An experiment is performed using 7 liquids; Methanol, Ethanol, Propanol, Butanol, Water, Pentane and Acetone. a.) The order of rates of evaporation from fastest to slowest are shown: Pentane, Ethanol, Methanol, Acetone, Water, Propanol and Butanol.

What does a molecule look like

If a student calculated 0.02789 moles of copper (II) cations (Cu2 + ions) in the sample, how many moles of copper metal (Cu0) could be obtain from the sample at the end of the experiment?

99pts! Which of the following best explains what happens when the kinetic energy of particles in a gas state decreases? They vibrate so quickly that the particles ionize and become plasma.

Which substance can act as an arrhenius base in an aqueous solution