Groups of the Table
The elements in group 1 are known as __.
What are alkali metals?
The mass number of an element shows __.
What is protons and neutrons?
I am a noble gas with 2 electrons in my outer energy level.
Who is Helium?
The ability to be molded into sheets is known as ___.
What is malleability?
The most common element found in air.
What is nitrogen?
The elements in group 2.
What is alkaline earth metals?
The atomic number of an element shows ___.
What is the number of protons or electrons?
I have the smallest mass of the elements in the most reactive nonmetal group.
Who is Fluorine?
Can be drawn into wires.
What is ductile?
___ are usually gases or brittle solids at room temperature.
What are nonmetals?
This element in group 1 forms with Chlorine to make table salt.
What is sodium (Na)?
This metal is liquid at room temperature.
What is mercury?
I am the only non-metal on the left side of the periodic table.
Who is Hydrogen?
Elements that have both properties of nonmetals and metals.
What are metalloids?
The temperature which an atom (substance) will change from a solid to a liquid.
What is the melting point?
The elements in group 7A or 17 and are the most reactive on the periodic table.
What are halogen gases?
These elements seem disconnected from the rest of the table.
What are the inner transition elements?
I am the element that attaches to the red blood cells of our blood (found in group 16).
Who is Oxygen?
CO2 is the ________________ for Carbon Dioxide.
What is chemical formula?
Who first arranged the periodic table according to increasing mass number?
Who is Dmitri Mendeleev?
Elements in this group are nonreactive.
What are noble gases?
Elements in horizontal rows.
What are periods?
I have 26 protons and electrons.
What is iron?
Most reactive group on the periodic table.
What is the halogen group?
The element that is responsible for diamond and graphite.
What is carbon?