Share Grade 7 - Chapter 7 (Elements, Compounds and Mixtures)
Save to Folder
Matter made up of only one kind of atom.
Element
Elements and compounds are the two categories of a
Pure Substance
matter that has the same chemical composition throughout and cannot be separated into its parts by physical means.
Pure Substance
anything that has mass or takes up space
Matter
Any solid, liquid, or gas is
Matter
Matter can be classified into 2 basic categories
Mixture and Pure substance
These substances cannot be broken down into simpler substances.
Elements
ALL elements can be found on the periodic table.
True
a substance that forms when 2 or more elements are chemically combined (by a chemical bond).
Compound
2 or more substances (elements or compounds) combined physically.
Mixture
These substances can change (or mix) without changing the identity of the original substances.
Mixture
I am tiny and cannot be divided. What am I?
Atom
I am tiny and can consist of two or more similar or different types of particles. What am I?
Molecule
How many different elements in CH4?
2
How many different elements in C4H5OH?
3
What is the chemical name for NaI?
Sodium Iodide
