Need to lose one electron to form a stable octet

b. alkali metals

c. alkaline earth metals

d. noble gases

e. lanthanides

A 0.25 liter of potassium chloride solution contains 0.75 moles of KCl. What is the concentration of this solution?

A swimming pool is 50 meters long. each day a swimmer swam total of 75 lengths of the pool for practice. how many kilometers did he swim over a 15 day period?

A student growing a crystal finds that the mass of the crystal decreased from one day to the next day. Why? a. student added to little saturated solution to the crystal growing vessel b.

Is Fe (NO3) 3 ionic Or covalent

2. Which is the correct element for the atom with 42 protons and 49 neutrons?

What is the Celsius equivalent of 212°f

Identify the characteristics of tornadoes and hurricanes

When magma intrudes parallel to another rock layer, the formation is called a (n) A. sill. B. dike. C. extrusion. D. unconformity.

What is the net amount of energy released when 1 mole of H2O is produced

Why is Sn (SO4) 2 named Tin (IV) Sulfate and not Tin (II) Sulfate?