Medium 5da74688338b2c64dfcdd1e6 Look at the diagram. How are the hydrogen atoms bonded together?

by ionic bond
by covalent bond
by single replacement
by double replacement

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159