109. Give the symbol for each element and electron configuration for each atom.

a. nitrogen

b. beryllium

c. phosphorus

d. potassium

What is the main difference in covalent bonds in diatomic chlorine and diatomic oxygen? diatomic means two atoms of the same type. a. diatomic chlorine is ionic, diatomic oxygen in covalent c.

What is the characteristic of the polar water molecule?

What is Protons and what is the difference between protons and neutrons?

Which of the following is one of the most abundant elements in all living things?

Helium is most likely to behave as an ideal gas when it is under (1) high pressure and high temperature (2) high pressure and low temperature (3) low pressure and high temperature (4) low pressure and low temperature

Ammonia can be prepared by the reaction of magnesium nitride with water. The products are ammonia and magnesium hydroxide. Write and balance the equation.

Which period is the shortest in the long form of the periodic table? Name all the elements in this period.

A mole of gas at 0.0oC and 760. torr occupies 22.4 L. What is the volume of this gas at 25. oC and 760. torr

Is a nylon string conductor or insulator

Discuss 2 ways the cells are alike