Chem Flashcards
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What are the properties of matter?
density, color, mass, volume, length, malleability, melting point, hardness, odor, temperature
What is a matter?
It occupies space has a composition, properties, structures and changes or reactions.
What is weight?
It is the measurement of properties of a matter.
What is a mass?
It is the quantity of matter.
What is liquid to gas?
It is Evaporation
What is liquid to solid?
It is Solid or Freezing
What is gas to liquid?
It is condensation
What is solid to gas?
It is Sublimation
What are compounds?
It is made of two or more elements.
In what way we can present an element?
By using symbols and numerals
What does the color black represents in the table of elements?
This means that those elements are metals
How about the red ones?
They are non metal elements
How about the blue ones?
They are gases.
What is an atomic number?
It is the number of atoms present in the elements.
What is chemical reactions?
A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another
what is the role of the elements in the whole process?
They serve as the reactants and products.
What is a positive ion?
It loses an electron
What is a negative Ion??
Negative ions gains an electron
What is heterogeneous mixture ?
a mixture in which the composition is not uniform throughout the mixture.
What is homogeneousmixtures ?
a mixture in which the composition is uniform throughout the mixture.
What is a chemical mixture?
Made of two or more substances and combined chemically.
Give some examples of physical properties of a mixture?
Color, density, volume and mass
What is organic compounds ?
Carbon combined by elements such as hydrogen and oxygen
What is inorganic compounds ?
Composed of elements other than carbon, such as carbon dioxide.
Naming compounds
Name the metals first then change non metal with ide ir suffixes.
what is binary compounds ?
chemical compounds comprising of two distinct elements. An element is a substance that cannot be further divided into any simpler substances using chemical methods. Hence sodium fluoride, magnesium oxide, and calcium chloride are all chemical elements.
