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 the smallest mass.
Who is Helium?
The ability to be hammered into sheets is known as ___.
What is malleability?
What is a horizontal row on the periodic table called?
What are the elements in group 2 known as and how many electrons are in the outer energy level?
What is alkaline earth and two electrons?
The atomic number of an element is determined by an element's ________.
What is the number of protons.
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?
What element is a halogen and is located in period 4?
What is Bromine?
Which metal is liquid at room temperature? Which nonmetal is a liquid at room temperature?
What is mercury? What is bromine?
Elements that have both properties of nonmetals and metals.
What are metalloids?
What is the only nonmetal on the metal side of the periodic table?
Hydrogen
What is the family name of the elements in group 7A or 17 called and how many electrons are in the outer energy level?
What are halogen gases and 7 electrons?
What is the family name of the elements at the bottom of the periodic table called? (The two rows...)
What are the inner transition elements?
I am a very unstable, radioactive element in the group of the most reactive metals and have the largest mass.
Who is Francium?
The modern periodic table is arranged by _________________.
What is atomic number/number of protons?
Who first arranged the periodic table according to increasing mass number?
Who is Dmitri Mendeleev?
What are the elements in group 8A or 18 called and why are they considered relatively unreactive?
What are noble gases and full outer energy levels?
Elements #57-#70 are known as ___ and elements #89-#102 are known as ____.
What are lanthanides? What are actinides?
I am a transition metAl with 22 protons.
Who is Titanium?
This is an atom that has a charge.
What is an ion?
What was the law that John Newlands discovered when arranging elements in increasing order?
Law of Octaves