Elements
Compounds
Heterogeneous Mixtures
Homogeneous Mixtures
Random Review
100
An element consists of __________ kind of atom throughout.
one
100
A compound consists of ______________ kinds of atoms chemically bonded to each other.
two or more
100
In heterogeneous mixtures, particles are distributed or spread ________________. ( Evenly or Unevenly)
What is unevenly.
100
In homogeneous mixtures, substances are ____________ distributed. ( Evenly or Unevenly)
evenly
100
________ is anything that takes up space and has mass.
Matter
200
The smallest unit of an element that maintains all the properties of that element?
What is Atom
200
One of these is a compound.
A. Helium
B. Hydrogen Peroxide
C. Gold
What is B. Baking Soda?
200
True or false: heterogenous mixtures can be a mixture of solids, liquids, and/or gases.
True.
Mixtures can be any combination of all states of matter: solids, liquids, and gases.
200
A milkshake is a homogenous mixture called a____________________.
What is: a suspension
200
All matter is made up of ___________________.
atoms
300
Elements are considered this type of substance.
What is a pure substance.
300
A compound made of two flammable substances that is not flammable - and we drink it.
What is water?
300
Provide 3 examples of heterogeneous mixtures.
vegetable soup, oil and water, cereal, muddy water, salad etc
300
Provide 3 examples of homogeneous mixtures.
koolaid, brass, salt water, lemonade etc
300
What are atoms?
Atoms are the building blocks of matter, sort of how bricks are the building blocks of houses.
400
You will find all elements in this graphic organizer.
What is the Periodic Table of Elements
400
Identify which picture represents an element and which one represents a compound.
What is: the picture on the left is an element because it shows the atoms from one substance. The picture on the right is a compound because it shows bonded atoms.
400
If I have a caesar salad and trail mix for lunch, ______ are heterogeneous mixtures?
What is both.
400
Mixing oil and water creates a ___________ mixture?
What is: a heterogeneous mixture because we can see the oil and the water.
400
All __________ are made up of one type of substance, NOT 2 substances mixed together.
pure substances
500
The reason some elements have different letters than their symbols?
What is, the elements are derived from Greek and Latin
500
Two of these statements are true about compounds.
A. Compounds can be found in the periodic table.
B. Compounds are pure substances.
C. Compounds are made up of two or more pure substances.
D. Compounds can be separated by physical means.
What are B and C
Compounds are pure substances and are made up of two or more elements.
500
An example of a heterogeneous mixture we discussed in class.
Pizza, cereal, or salad
500
What is another term we can use for homogeneous mixtures? (Hint it contains a solute and solvent.)
Solution
500
True or false? Both elements and compounds are pure substances
True
600
What does an atomic number tell you?
How many protons or neutrons an element has
600
What is this compound?
H₂O₂
Hydrogen Peroxide
600
Of the following, one is NOT an example of a physical change:
crushing, melting, weighing
What is weighing?
600
In homogeneous solutions, separate particles are not visible because one _______ in the other
dissolves
600
All _________ are ___________, but not all _________ are _____________
All solutions are mixtures, but not all mixtures are solutions
700
The element nitrogen is combined with the element hydrogen to form this compound used in fertilizers.
What is ammonia?
700
This process of separating the components of blood according to the densities of the components.
What is centrifuge.
700
A ________ is often described as a homogeneous mixture.
What is a solution?
700
These substances have properties of both solutions and suspensions.
What are colloids?