Mixture
Pure Substances
Elements
Bohr Model
Periodic table
100
Mixtures is broken down into 2 categories
What is a heterogeneous and homogeneous mixture.
100
Contains only 1 atom
What is an Element.
100
Name the four elements found in Earth's oceans.
What is hydrogen,oxygen,sodium,and chlorine
100
Has a mass of ! AMU with a positive charge
What is a Proton.
100
In the periodic table lines that run from left to right represent "___".
What is a period.
200
Mixture of 2 or more chemical substances where parts can be seen.
What is a heterogeneous mixture
200
Made up of More than 1 Atom.
What is a Compound.
200
Is represented by an abbreviation?
What is the Element symbol.
200
Is located in the Energy levels
What is an Electron
200
The rows running top to bottom are named"____"
What is a column.
300
Mixtures are able to be seperated by
What is physical means.
300
what is a a pure substance that may NOT be broken down chemically or physically?
What is an element.
300
Are semi-conductors of electricity ,luster or dull and are malleable?
What is a metalloid
300
Has a neutral charge or "no charge"?
What is Neutron
300
The total number of metalloids found along the zig-zag line are.
What is 7.
400
Mixture which has the same properties and where the parts are NOT seen.
What is Homogeneous mixture
400
Has a chemical bond and work as a unit.
What is a molecule
400
Name the 1 nonmetal that is separate from the others?
What is hydrogen.
400
The place where both Protons and neutrons are found?
What is the Nucleus.
400
Elemts organized on P.T. based on
What is physical properties.
500
We have a mixture of concrete that has just had water poured into it which kind of mixture is it
What is a heterogeneous mixture
500
Is 2 elements chemically bonded together that have 2 or more atoms present?
What is a Compound Molecule
500
when distinguishing between and element or compound which rule is very important to know about how the elemnt is seen on the periodic table.
What is the Capitalization of the first letter for each element.
500
Determines the identity of an Element?
What is a Proton
500
their is 3 main groups on the P.T.
What is metals, nonmetals,metalloids