Atoms
These are the basic building blocks of matter.
What are Atomd?
A Chemical Bond is the electrical force that ______
two atoms together.
What is hold?
During a chemical reaction the bonds that hold atoms together may be
What is formed or broken?
This is a substance of which all are the same type of Atom
What is an element
What has to happen for an ion to form?
What is an Atom must gain or lose an Electron?
These are found are found in the nucleus and and have no charge
What are Neutrons?
In Sodium Chloride, ions are chemically bonded to other ions that have an __________ charge?
What is opposite?
A _______ is placed in front of a chemical equation.
The _______ of an element is number of protons in the nucleus of one of its atoms
What is the Atomic Number?
True or False: The properties of the substances produced in a chemical reaction differ from the properties of the original substance.
What is True?
Protons have a ___________ charge and are found in the nucleus
What is a positive charge?
A __________ occurs when one or more substances react to form a new substance.
What is chemical change?
A _______ sign points from reactants to products.
What is a Yield Sign?
Elements can also be described by their
What is Chemical Symbol?
True or False:
Color change is the only evidence of a chemical reaction.
What is False?
Electrons have a Negative charge and are located in the
What is Electron Cloud?
This bond is the attractive force between oppositely charged ions?
What is Ionic Bond?
Identify the Reactants in the following
CH4
What are Carbon and Hydrogen?
The name of this Element is
Al
What is Aluminum?
When Atoms break and form bonds with other Atoms it is proof of a _____________?
What is Chemical change?
In a Neutral Atom the number of Electrons is equal the number of _________
What are Protons?
This bond forms when two atoms share an electron?
What is a Covalent Bond?
The Law of Conservation of Mass states that matter is
what is neither created or destroyed?
Hydrogen, Oxygen, Carbon, and Nitrogen are mostly found where
What is in living things?
What are the products of this Chemical Equation?
3Fe+ 4H2O > Fe3 O4 + 4H2
What is Fe3 O4 and H2?