What is the physical basis for the concept of
electronegativity?

The minerals found in bones are deposited by living cells called

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes

K12 chemistry unit assessment: chemical bonding, electrostatic forces in ionic bonds hold which of the following together? 1. he atoms in helium gas 2.na+ and br- in nabr 3. fe atoms and localized electrons in iron