Elements
What is the building block of matter?
Elements!
Elements are the building blocks for all other matter in the universe.
What is two examples of a compound?
***anything that is composed of two or more separate elements
What is an example of a mixture?
any substance made by mixing other substances together(no chemical reaction)
What is the vertical column that categorizes properties of an element
Groups and/or families
What is an element?
A simple substance that cannot be broken down into smaller parts or changed into another substance.
What is the definition of a compound?
A compound is a material formed by chemically bonding two or more chemical elements.
If something is sitting next to each other, is it considered a mixture still?
Yes! think about it like if you had a bucket of those things, it would always be a mixture.
Who is the Father of the periodic table?
Dmitri Mendeleev!
True or False?
While every atom of an element has the same number of protons, the number of electrons and neutrons can vary.
True!
Can a compound be inside of something living?
Yes! The compounds found in living things are known as biochemical compounds
What is the difference between homogeneous, and heterogeneous mixtures?
A homogeneous mixture is a mixture that is uniform throughout the solution. A heterogeneous mixture is a mixture that is not uniform throughout.
What is the horizontal column in the periodic table?
Periods
How would an element on Mars, different from elements on Earth?
Nothing! Elements found on Earth and Mars are exactly the same.
What is the difference between an ionic bond, and a covalent bond?
The difference between ionic and covalent bonds is how the electrons are used.
What would be considered a mixture?
A) H2O
B) Cr
C) Human blood
C)
What is the group that is separated from the periodic table, to make it more compact?
lanthanoid and actinoid series.