Periodic Table
The family name for Group 18
What is Halogens?
A chemical formula represents these.
What is the number of atoms in the compound?
A change where a new substance is formed.
What is a chemical change?
Something that keeps its own properties and can be physically separated.
What is a mixture?
A substance that is homogeneous and evenly distributed.
What is a solution?
Periods go this direction on a periodic table.
What is horizontal?
A number to the right and below a chemical symbol to represent the number of atoms of that molecule.
What is a subscript?
A change is how something looks.
What is a physical change?
A substance made of 2 or more elements that are chemically combined in a set ration.
What is a compound?
A substance that is dissolved in a solution.
What is a solute?
The number of protons in an element.
What is atomic number?
A number placed before chemical symbol that indicates the number of molecules present in an equation.
What is a subscript?
Walking through a piece of paper.
What is a physical change?
A substance that cannot be broken down into any other substances by physical or chemical means.
What is an element?
A substance in which other materials are dissolved.
What is a solvent?
The number of protons and neutrons in an element.
What is the atomic mass?
The substances present at the beginning of a chemical reaction, and what the arrow points to in the end.
What is reactants, and the product?
A sunflower makes food using photosynthesis.
What is a chemical change?
Which of the following is a homogenous mixture?
a salad, honey, or soy sauce
What is a salad?
A heterogeneous mixture in which substances are suspended?
What is a suspension?
Four things found on the element square of the periodic table.
What is atomic number, atomic mass, symbol, and name of element?
Name 4 ways you know a chemical reaction has occurred.
What is color change, temperature change, gas formation, light and heat, and precitant?
Freezing juice to make popsicles.
What is a physical change?
This is a pure substance?
What is an element or compound?
Which of the following is a colloid?
muddy water, mayonnaise, sweet tea
What is mayonnaise?