Periodic table Flashcards
What is the difference between protons, electrons, and neutrons?
Protons are positively charged, electrons have a negative charge, and neutrons don’t have a charge
How many valence electrons are in Alkaline Earth Metals?
2
What is an Ionic bond?
Nonmetal + Metal
What are valence electrons?
The outermost shell of the atom and they are able to interact with other atoms to form chemical bonds
Which elements are the least reactive?
Noble gases
How many valence electrons does the Nitrogen group have?
5
What is the difference between stable and unstable isotopes?
Stable have a nuclei and are non-radioactive
Unstable have an unstable nuclei and are radioactive
Which elements are the most reactive?
Alkali metals
What bond is a covalent bond?
Nonmetal + Nonmetal
The groups or columns on the periodic table organize elements with the same number of what?
Valence electrons
What ions are negatively charged?
Anion
What is another name for outer orbital?
Shell
Which elements on the periodic table are the LEAST reactive?
Noble gases
What is the heat conductivity for metals, metalloids, & nonmetals?
High for metals, intermediate for metalloids, and low for nonmetals
How many valence electrons does Noble Gases have?
8
How many valence electrons does an alkali metal have?
One