Mass of molecule (g) = Mr of substance over avarogado constant
Atoms have no electric charge because the protons and electrons "cancel out" each others charges. Neutrons have no charge. What is the atomic number of an element? The atomic number is the number of protons in the atom's nucleus.
Hope this helps have a great day :)
Answer:
intensity
Explanation:
Intensity has no affect on whether or not the photoelectric effect occurs. The determining property is frequency and since frequency and wavelength are inversely proportional, wavelength matters as well
C, because a homogeneous mixture is evenly mixed.
All those others would be heterogeneous (not evenly mixed).
