Show:
The Periodic Table
Solutions and Mixtures
Compounds
Atoms
Potpourri of Atoms
100
There are about _____________ elements on the Periodic Table.
What is 115
100
Matter that can vary in composition is a (n) ____________.
What is a mixture
100
Compounds have these when written to show the symbol and subscript of the number of atoms.
What are chemical formulas
100
What are the three tiny particles found in an around a given atom?
What are Protons, neutrons, electrons.
100
Anything that has mass and takes up space is considered to be:
What is matter
200
Most atoms on the Periodic Table consist of individual atoms, but some consists of __________________.
What are molecules
200
True or false? Air and tap water are mixtures?
What is TRUE
200
What is another name for this compound? (C6H12O6)
What is table sugar or sugar
200
When an atom has the same number of protons, but a different number of neutrons an ____________ is formed.
What is an ISOTOPE
200
What are the 3 forms of matter?
What is solid, liquid, and gas
300
A substance made of only one kind of atoms is called a(n) ______________.
What is an element
300
This type of mixture is a mixture where the substances are not evenly mixed.
What is a HETEROGENEOUS MIXTURE
300
Compounds and solutions are alike in that they both look like ___________________.
What is PURE SUBSTANCES
300
The number of protons in the nucleus of an atom is the _______________.
What is atomic number
300
He was the first person to study atoms and their structure.
Who is Democritis
400
The symbol for the substance gold is ____________.
What is Au
400
Another name for a homogeneous mixture is a ____________.
What is a solution
400
True or False: Compounds keep their separate properties.
What is FALSE
400
This is the most current form of an atom model we know of.
What is the CLOUD model.
400
Elements on the Periodic Table are arranged in rows and columns called:
What are periods and groups
500
Who was the scientist/person who created the Periodic Table of Elements?
Who is Dimitri Mendelev
500
In a solution, there are two parts. What are they and describe each.
What is a Solvent and Solute
500
Atoms that make up a given compound are ____________ together.
What is BONDED
500
The basic structure of all atoms is the ________________.
What is THE SAME
500
Neutrons can be calculated in an atom by doing what procedure?
What is subtracting the atomic mass and atomic number.