Vocab
Physical Properties of Matter
Physical and Chemical Changes
Subatomic Particles
Atom, Compounds, Elements and Mixtures
Periodic Table and Law of Conservation of Mass
100
the ability of a substance to be dissolved in a liquid
What is solubility?
100
More dense matter will do this in liquid
What is sink?
100
This results in a new substance and is permanently changed
What is a Chemical change?
100
The atomic number of Carbon is _______.
What is 6?
100
A substance containing 2 or more different atoms, bonded together is a
What is a compound?
100
Columns on the periodic table are called this
What are groups?
200
the ability of a material to be shaped without breaking
What is malleability?
200
All liquids have a specific boiling point which helps us identify the liquid, what is the boiling point of water?
What is 100 degrees Celsius?
200
A change in matter that involves a change in a physical property but doesn't create a new substance
What is Physical change?
200
This particle defines an element.
What are protons?
200
Atoms of only one type is called ______________
an element
200
Rows on the periodic table are called this
What are periods?
300
when nothing else can dissolve into a solution
What is saturation?
300
Which type of materials are good thermal conductors of heat?
What are metals?
300
Which change occurs when you bake cookies?
What is Chemical change?
300
The number of protons and the number of _______ in an atom are equal.
What are electrons?
300
Warmer temperatures make molecules move _______________ and colder temperatures make molecules move ____________.
What is faster and slower?
300
Groups on the periodic table are arrange by similar _________________________.
What are properties?
400
whether or not a force travels through an object
What is conductivity?
400
What should you use to separate small iron filings from a pile of sand?
What is a magnet for attracting the iron filings and leaving the sand behind?
400
Melting wax, ice, and metal are all what type of changes
What are physical changes?
400
The mass of an atom can be found by adding the number of protons and the number of _________.
What are neutrons?
400
A compound has very __________ properties than the original elements that make it up.
What is different?
400
Group 1 elements on the periodic table are called the ________.
What are Alkali metals?
500
when two or more substances create a new substance
What is a chemical change?
500
If a basketball has a volume of 140 cubic cm and a mass of 560 grams, what is its density?
4 grams/cm3
500
When an egg is cracked and then cooked there is a physical change and a chemical change that occurs-name both.
What are Physical change-cracking the egg and chemical change-cooking?
500
How many neutrons are in an atom of iron (Fe) if the mass is 56?
What is 30?
500
What are the parts of the atom and their charges?
What is 1. proton (positive), 2. neutron (neutral), 3. electron (negative)?
500
Group 17 elements on the periodic table are called the ____________.
What are the Halogens?