Elements
Where can all elements be found?
The Periodic Table of Elements!
Define Compound.
A thing that is composed of two or more separate elements.
What differs the types of compounds we use in this class?
The type of elements in the compound (metal, nonmetal, metalloid)
Define a mixture.
In chemistry, a mixture is a material made up of two or more different chemical substances which are not chemically bonded. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed.
How many Protons are in Gold?
79
What creates compounds?
individual elements!
What types of elements are in an ionic compound?
one Metal and one Nonmetal!
Is the following a compound or an element? Is it a molecule? I2
Element, molecule
Name the 2 types of mixtures.
Solution (Homogeneous) and Mixture (Heterogeneous)!
What element has 13 protons?
Aluminum
List 3 compounds you see in the world around you EVERYDAY
H2O
CO2
NaCl
What types are in a molecular/covalent compound?
2 nonmetals!
If something is a molecule it must have what?
two or more elements chemically bonded together!
Define a solution.
A solution is a mixture in which the composition is uniform throughout the mixture. All solutions would be considered homogeneous.
ex) sweet tea
What element has 118 Protons?
Oganesson
Where can compounds be found?
Compounds can be found in the world around us, NOT on the periodic table!
Is H2O an element, molecule or compound?
Compound, Molecule
List 5 molecules
...
Name 1 mixture and 1 solution.
Varies
When are elements also molecules?
When the element is diatomic OR when it is in a compound!
What is the difference between compounds and mixtures?
Compounds are elements that are CHEMICALLY UNITED whereas Mixtures are elements simply MIXED TOGETHER
List 3 Compounds.
May Vary
Is this statement true or false? All molecules are made up of elements but not all elements are molecules.
True
True or False Can ALL mixtures be separated!
YES!!!! All mixtures can be seperated even if they are HOMOGENEOUS!