Vocabulary
Research Questions
Vocabulary 2
Research Questions 2
Mixed Stuff
100
The basic unit of a chemical element
What is Atom?
100
Atomic mass is found by adding together the individual masses of the numbers of protons and neutrons.
How do you get Atomic Mass?
100
a solid material that is typically hard, shiny.
define metal?
100
Dmitri Mendeleev
Who came up with the design of the periodic table?
100
Bromine,Mercury,Francium,Cesium,Ganium and Rubidum
Which elements are liquids?
200
Forming the basis for its activity and growth.
What is Nucleus?
200
Protons are Identified by the atomic number it never changes!
How do protons determine an elements identity ?
200
an element or substance that is not a metal.
define non-metal?
200
A dense nucleus of protons and neutrons surrounded by electrons.
What is the most resent model of an atom?
200
They are named by something that describes it.
How are elements are liquid?
300
Subatomic particle of about the same mass as a proton/opposite of proton.
What is Neutron?
300
the valence electrons are responsible for an element's reactivity it also determine where an element is in the periodic table
How do valence electrons determine the chemical properties of elements?
300
intermediate between those of metals and solid nonmetals.
define metalloid?
300
Niels Bohr
who came up with the atom model
300
Least:Hydrogen,Helium,Neon Most:Bonrium,Dubnium,Hassium
Which elements are most dense and least dense
400
Subatomic particle with a charge of negative electricity.
What is Electron?
400
The valence electrons are responsible for an element's is in the periodic table.
How do valence electrons determine the reactivity of elements?
400
two or more forms of the same element that contain equal numbers of protons
define isotopes?
400
Oxygen,Carbon,Hydrogen,H2O
What elements are in the human body?
400
atom or molecule with a net electric charge
Define Ions?
500
Two or more forms of the same element that contain equal numbers
What is Isotopes?
500
Left to Right by increasing the atomic number.
How is the periodic table arranged?
500
A chemical element, or an element, is a material which cannot be broken.
define chemical element?
500
Oxygen,Carbon,Hydrogen,Nitrogen,Calcium etc.
What is the most common element in the human body?
500
a grouping of electrons surrounding the nucleus of an atom
Define Electron Shells?
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