Can a element be a metal and a non metal

What are 3 or 4 liquids that dont mix

What reaction type is depicted by the following equation? 2C2H2 + 5O2 4CO2 + 2H2O decomposition combination combustion single-replacement double-replacement

What is the velocity of a car traveling from the east coast to the west coast at an average speed of 5omph

A metal lid on a jar may loosen when it has been held in hot water because the hot water causes the A. glass jar to contract B. metal lid to contract C. glass jar to expand more than the metal lid D. metal lid to expand more than the glass jar

An atom has no overall charge. Do you agree? Justify your answer

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?

What is the empirical formula for a compound if a sample contains 3.72g of p and 21.28g of cl?-pcl5-pcl3-p2cl10-p2cl5

Use the equation 2HgO--> 2Hg+O2 to find how many moles of mercury are produced if 27 g of oxygen are produced. 2.1 1.3 2.6 2.4

How much mass does an electron, proton, and neutron have?