Periodic Table of Elements Questions
Explore questions in the Periodic Table of Elements category that you can ask Spark.E!
Second most abundant in the atmosphere
A vertical column on the periodic table is called a
Most abundant element in the atmosphere
What is the most common element in the universe
Electricity at high temperatures but not at low temperatures
The periodic table was first arranged by the scientist
What is the most reactive elements on the periodic table
ionization energy _______ as you move across the period and ______ as you move down the group.
How many valence electrons do halogens have
How many protons and electrons do hydrogen have
How many electrons do the nitrogen family have
The ability of a substance to be hammered or rolled into thin sheets
What is the heaviest naturally occurring element
Nonmetals are ________conductors but_________insulators
What elements are less reactive than AM and AEM
How many valence electrons do alkaline earth metals have
What scientist re-organize the elements by their atomic number
How many electrons does the fourth shell hold
How many electrons does the first shell hold
An atom is stable and unreactive when it has _____valence electrons