Periodic Table
Elements 57-71 are located in which period of the periodic table?
Period 6
List the three subatomic particles of an atom.
protons, electrons, and neutrons
Shiny and malleable describes which category of elements of the periodic table?
Metals
_______ is anything that occupies space and has mass.
Matter
Elements in group 15 have ____ valence electrons.
5
Where are the nonmetals located in the periodic table?
On the right side of the periodic table.
What subatomic particles are located in the nucleus?
protons and neutrons
Brittle and dull describes which category of elements in the periodic table?
Nonmetals
An ________ is a substance composed of a single kind of atom.
Element
10 neutrons, 9 protons, and 9 electrons describe the atom of which element?
Fluorine
What group and period is Zinc (Zn)?
The atomic number tells us the number of... (no partial answers)
protons AND electrons
Many nonmetals are ______ at room temperature.
Gases
________ is how easily or quickly a chemical reaction occurs.
Reactivity
List the symbols of ALL of the elements that have 4 valence electrons.
C, Si, Ge, Sn, and Pb
How many electron shells are in an atom of Antimony (Sb)?
5 electron shells
Atomic weight tells us the total amount of...
protons and neutrons
This family of metals is very reactive and does not occur freely in nature. They also can explode if they are exposed to water.
Alkali metals
Electrons in the outermost shell are described as...
Valence electrons
The alkaline earth metals are located in which group of the periodic table?
Group 2
How many valence electrons are in an atom of Potassium?
1 valence electron
How many electrons are in an atom of Mercury?
80 electrons
Gold, silver, and platinum are found in which family of elements?
Transition metals
These types of elements are found along the zig-zag/staircase line in the periodic table.
Which group of elements is considered nonreactive to other elements/atoms on the periodic table?
Group 18 (Noble Gases)