Which is more reactive, Rubidium or Hydrogen?

What is the geometry name for PF5? Is PF5 polar or non-polar?

Given the chemical equation, CaCl2 + Na → NaCl + Ca. The best description of this equation is which of these? A) A balanced single replacement reaction. B) A balanced double replacement reaction. C) An unbalanced single replacement reaction.

Lemonade contains lemon juice and sugar dissolved in water. What is the solvent in lemonade

Use the periodic table to write the electron configuration for barium (Ba) in noble-gas notation.

The atomic mass of F is ___. 9 10 19 55

What conditions might occur that would cause a gas not to conform to ideal gas behavior?

Which element above has 8 protons in its nucleus? a. oxygen b. carbon c. phosphorus d. sulfur

If the copper is drawn into wire whose diameter is 9.50 mm, how many feet of copper can be obtained from the ingot? The density of copper is 8.94 g/cm3.

Angle of incidence equals angle of this A. Reflection B. Refraction C. Diffraction

When conducting an experiment, a scientist should: (a) attempt to test every possibility (b) attempt to control the conditions (c) place no limits on the investigation (c) proceed without specific goals