Chemistry 1
A reaction that releases heat is called what?
An exothermic reaction.
When two or more atoms are joined together chemically
What is Molecule
Is the water is a saltwater solution the solute or the solvent?
What is solvent?
---------- is known as the universal solvent
What is Water
What type of reaction is baking soda and vinegar
Endothermic or acid and base
Name the two types of change
What are Physical and Chemical
This reaction also know as oxidation turns certain metals brown/red color
Rusting
Photosynthesis is an example of what kind of chemical reaction?
Daily double
Endothermic Reaction
A substance formed by chemically combining two or more atoms of different elements is known as
What is Compound
Give 2 different ways acids are used in our every day lives
Answers may vary
Giving off heat or light is a clue that this type of a change is occuring.
Daily double
What is a chemical change?
Or Exothermic Reaction
Water is made of these two elements?
What is hydrogen and oxygen?
How does increasing temperature affect the movement of molecules?
What is molecules move faster?
This metal is liquid at room temperature
Mercury
What term refers to anything that occupies space, physical and chemical properties and exists in gas, liquid or solid form
What is Matter
This type of bond has atoms sharing elections
Covalent
The elements can be found on the right side of the periodic table of the elements.
What are noble gasses?
There are this number of elements on the periodic table of the elements.
What is 118?
Acids have a pH lower than:
Daily double
7
Burning something is considered what type of change
Chemical change
This element is the most common one in the universe
What is hydrogen
Elements are made from these. They are also known as the building blocks of everything!
What are atoms.
When one chemical changes its state of matter, the change is called
What is Physical Change
The atomic number tells us this.
What is the number of protons?
What is in the nucleus of an atom
Protons and neutrons
Explain why tap water does not have a neutral pH of 7
Answers may vary but overall idea is that it contains trace amounts of other metals and contaminants.
Curling hair with a curling iron would be considered what type of change
What is Physical
About 78% of our air is made from this element
Daily double
What is nitrogen
This is the smallest type of atom or element.
What is Hydrogen.
What type of change occurs when ice melts to water
What is Physical
What does atomic mass tell us
Daily Double
The average weight of the protons and neutrons
Give an example of a heterogenous mixture
Answers may vary
Water is an example of
What is Liquid
Substance that contains space and mass
What is Matter
This household common atom was once more expensive than precious metals due to its diverse range of functions
What is aluminum
Atoms bond together to form these.
What are molecules?
These group of elements on the periodic table are known to be unreactive
Noble gases
This subatomic particle circle the nucleus of an atom
What is elections
What is the strongest bond between atoms
Daily triple if you can tell us the exact type: we didn't learn this in class. But hint ... hint... daily triple
What is a Covalent bond
Triple covalent bond for a daily triple: Ha, see what I did there?
Science that deals with composition, structure, and properties of matter
What is Chemistry
Give 2 examples of irreversible reactions
Answers may vary, but can include:
baking a cake
lighting a fire
Which fruit contians a potentially radioactive element
Daily double if you can list our the element
What is Bananas, but any fruit that has potassium would work here
Potassium for daily double