Periodic Table of Elements Questions
Explore questions in the Periodic Table of Elements category that you can ask Spark.E!
How many electrons does the second shell hold
Elements in the same_________ do not have similar properties
The table is organized into columns, Rose, and blocks, which are all based on their certain___________
What did Mendeleev of organizing the elements by
Means repeating according to a pattern
A virtical column on the periodic table
When there are large gaps between elements that means they are
A diagram that shows the protons and neutrons in the nucleus and electrons in the energy level is called a
How much of the elements on the periodic table are metals
What scientist worked on a way to classify the elements
What did scientists use to organize the elements
Inert gases, will not react with anything
Most reactive group of nonmetals, form compounds known as salts
Groups 3-12, all metals, good conductors of electricity, high luster when freshly cut or polished.
Shiny luster, high malleability, ductility, electrical and thermal conductivity, high tensile strength and Luster
Group 2, Metals are harder, denser, stronger and have higher melting points, 2 electrons in the outer energy level, and not found in nature.
Colorless, odorless gasses, filled energy level, inert
A measure of the ability of an atom in a chemical compound to attract electrons
dull, brittle, poor conductors of electricity and heat, many are gases at room temperature
Developed a classification system that grouped elements into triads