The highly reactive elements in group 7A are known for forming salts. What are they called?

A student took the weighted average of the isotopes that make up one element. What was the student trying to determine?

What is kenetic energy

A 0.750-g sample of a compound that might be iron (II) chloride, nickel (II) chloride, or zinc chloride is dissolved in water, and 22.40 mL of 0.515 M AgNO3 is required to completely precipitate all the chloride ion as AgCl.

What is the empirical formula for a compound that is 50.8 zinc 16.0 phosphorus and 33.2 oxygen

Why is sucrose a disaccharide?

List all of the species that would have a net attraction to the positive charge: CH4, CH2Cl2, H3O+, H2O, C2H2Cl2, CO2, N3-,

if the units cancel and you are left with only the desired units for the problem, all the rations were set up correctly. True or false?

How many valence electrons are in c4h6br2?

Calculate the empirical formula from the given percent compositions. 82% nitrogen (N), 18% hydrogen (H)

Atoms of different isotopes of the same element differ in their total number of electrons neutrons protons valence electrons