Science
What is a chemical equation?
A chemical equation is the symbolic representation of a chemical reaction. The reactants are to the Left, and the products are in the right.
What is a Metal?
A Metal is a material that is hard,shiny, and has good thermal and electrical conductivity.
What is a Proton?
A Proton is a particle that has a positive electric charge.
what is a reactant?
a reactant is a substance or a compound that is added to cause a chemical reaction.
what is a product
a product is when a substance is formed as the result of a chemical reaction.
What is an electron cloud?
an electron cloud is negative charged particles surrounding the nucleus
What is a Chemical Reaction?
A chemical reaction is a process that involves a change in physical form or nuclear reaction.
What is an Atom
An Atom is the basic unit of an element
what is a group in the periodic table
a group or also known as the family is a column of elements and are 18 numbered groups.
what is a nucleus?
a nucleus is the most important thing in the center of a object.
What is Exothermic?
Exothermic is when a reaction is releasing energy
What is the periodic table?
The periodic table is a table where there are elements arranged in order of atomic number.
what is a chemical formula
a chemical formula is how many molecules and how many atoms it consist of.
what is a chemical symbol?
a chemical symbol is a shortened of the name of the element. for example the chemical symbol for sodium is NA.
what is an isotope?
an isotope is a form of a chemical element and the atomic nucleus has a specific number o neutrons.
What is a Neutron?
A Neutron is a particle that has no electric charge.
What is a Metalloid?
A Matalloid is an element whose properties are in between metals and solid nonmetals.
what is the atomic number?
an atomic number is the number of protons in the nucleus of an atom.
what is endothermic?
endothermic is is when you are taking in or absorbing heat in.
what is the chemical symbol for sodium?
the chemical symbol for sodium is NA
What is a Period in the Periodic table?
A Period in the periodic table is a horizontal row. In each period the atomic number increase from left to right.
What is Mass number?
Mass number is the total number of protons and neutrons in a nucleus.
what is an electron
an electron is a particle that has a negative electrical charge.
what is a nonmetal?
a nonmetal is a element or a substance that is not a metal.
what is the chemical symbol for oxygen?
the chemical symbol of oxygen is O