Which elements on the periodic table fulfill the octet rule

Carl had four metal blocks ... Each block was a different type of metal, but it had the same size and volume. All four blocks were weighed on a balance and their masses recorded in the table below.

A beaker contains 0.42 L of water. The beaker's volume Is ___milliliters.

What is modern periodic table?

In a plant, 1,500 kg of nitrogen oxide is consumed per day to produce 1,500 kg of nitrogen dioxide per day. What is the percent yield? Use.

Which statement is true of phenolphthalein? a. It can be used in combustion reactions. b. It is colorless in the presence of an acid and pink in the presence of a base. c. It gives you the exact pH of a solution. d.

Millikan's oil-drop experiment A. established the charge on an electron. B. showed that all oil drops carried the same charge. C. provided support for the nuclear model of the atom. D.

When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?

What are two beneficial uses of ultraviolet rays

If 1000. mL of linseed oil has a mass of 929 g, calculate the density of linseed oil.

Why is pure water not a conductor of electricity? A. Pure water has no free ions. B. Pure water has many dissolved solids. C. Pure water has few dissolved solids. D. Pure water has many free ions.