Chemical Bonds
When atoms gain, lose, or share electrons, an attraction forms between the atoms, pulling them together to form a compound. This attraction is called a(n) _______ bond.
What is chemical?
The elements a compound contains and the exact number of the atoms of each element in a unit of that compound are shown by a _______.
What is a chemical formula?
What is a symbolic expression of a chemical reaction called?
What is a chemical equation?
What are the substances called that result from a chemical reaction?
What is products?
Particles located in the nucleus of an atom.
What is neutrons and protons?
What is the source of the energy released by chemical reactions.
What is chemical bonds?
An electron dot diagram includes the chemical symbol for an element surrounded by dots representing _______.
What is its valence electrons?
What is the amount of a substance that contains 6.02 ×10^23 particles of that substance?
Avogadro's number and mole?
According to the law of conservation of mass, _______.
What is the mass of the products equals the mass of the reactants?
Nuclei with the same number of protons and different numbers of neutrons are called _______.
What are isotopes?
The noble gases are stable because they _______ .
What is each have a full outer energy level?
A charged particle that has either more or fewer electrons than protons is called a(n) _______.
What is an ion?
What is the term for a substance that speeds up the rate of reaction without being changed itself?
What is a catalyst?
In an ionic compound composed of Mg2+ and Cl– ions, how many Cl– ions are required for every Mg2+ ion to make a neutral compound?
What is 2?
Which form of nuclear radiation consists of high-energy electromagnetic waves?
What is gamma rays?
The attraction that forms between atoms when they share electrons is known as a(n) _______ bond.
What is covalent?
The neutral particle that forms as a result of electron sharing is called a(n) _______ .
What is molecule?
What are the starting substances in a chemical reaction called?
What is reactants?
What type of reaction occurs when two or more substances combine to form another substance?
What is synthesis?
What happens during nuclear fission?
What is a nucleus splits into smaller nuclei?
Ionic compounds have a neutral charge because the positive and negative charges on the ions _______ .
What is cancel each other?
A molecule that does not have oppositely charged ends is called a _______ .
What is nonpolar molecule?
What is the term for a substance that slows down or stops a reaction?
What is inhibitor?
Which type of reaction occurs when one substance breaks down to form two or more substances?
What is decomposition?
Which statement describes the process of nuclear fusion?
What is small nuclei join to form a larger nucleus?