Compound Names & Word Equations
What is the chemical name for NaCl?
Sodium Chloride (a.k.a. Salt)!
____________ is a list of all the elements.
The Periodic Table
What is the difference between a physical reaction and a chemical reaction?
A chemical reaction creates a new substance that usually is irreversible.
A physical reaction is reversible.
Who invented the first periodic table?
Dmitri Mendeleev
___________ is a colourless gas and is one of the two major compounds of air. It is produced by plants during photosynthesis, which is one of the reasons plants are so important for life on Earth. What element is it?
Oxygen (O)
Predict the compound name for Iron and Sulfur.
Iron sulfide.
___________ is something that is made up of the same or different atoms.
Material
What is the difference between a compound and a mixture?
A compound is when two or more elements have been chemically joined to create a new substance.
A mixture is when two or more substances are mixed together but not chemically joined.
All elements have a unique...
All elements have a unique symbol that can be found on the periodic table.
___________ is found in the earth's crust. When it burns in the air, it produces a brilliant white light. ________ powder is used to make fireworks.________ is also very good for your body and is found in foods. What element is it?
Magnesium (Mg)
What elements would be in calcium nitrate?
Calcium, Nitrogen, and Oxygen.
_________ is the smallest building block of matter.
An atom is the smallest building block of matter.
Can a molecule be made from more than one type of atom?
Yes! Molecules can be made from just one type of atom (element) or more than one type of atom (compound). Oxygen forms 'two atom' molecules.
Why do we have symbols for elements?
Symbols for elements mean that scientists who speak different languages can easily swap ideas.
_____________ is a silvery-white alkali metal that can be cut with a knife and has a density less than water. It is an essential element for living creatures and you can get it from bananas. However, when __________ combines with chlorine, it is used to stop the heart during surgery. What element is it?
Potassium (K)
What is the name for the compound made from magnesium, nitrogen, and oxygen?
Magnesium nitrate.
___________ are characteristics used to describe an object.
Example: The __________ of a compound are two or more substances chemically combined.
Properties
Some compounds can be named using the rules we learned about in class, but others are still more commonly known by other names. What is the more commonly known name for rust?
Iron oxide Fe2O3
How many elements on the periodic table are Alkali metals?
There are a total of 6 different Alkali metals on the periodic table?
_________ is very scarce on Earth, but it is abundant in the rest of the universe. This element has the most intense light discharge of all noble gasses, which means that it lets off a lot of light when it is charged. ___________ is popularly used to make advertising signs by running electricity through tubes. What element is it?
Neon (N)
What is the compound name for Silicon and Bromine?
Silicon bromide.
A group of elements that are characterised by certain properties like shininess, malleability, ductility, and conductivity.
Metal
Can you find out the word equation for the synthesis reaction to make ammonia?
NH3
Each element on the periodic table contains a:
Chemical symbol, Chemical name, Relative atomic mass, and ______________.
Atomic Number
_________ is the second lightest and second most abundant element in the universe. __________ is a noble gas. It is used as a deep sea breathing gas and to inflate balloons and airships. What element is it?
Helium (He)