The horizontal rows that are organized on the periodic table are called ______________.
What is periods?
100
This is the destruction of a metal, from reaction with oxygen is the process called _________________.
What is corrosion?
100
This is an element that lacks most of the properties of a metal. These are poor conductors of electricity and head and are reactive with elements.
What is nonmetals?
100
This is is spontaneous emission of radiation by an unstable atomic nucleus.
What is radioactivity?
200
What are the positively charged particles in the nucleus of an atom called?
What are protons?
200
The vertical columns, sometimes known as families, that are organized on the periodic table are called __________________.
What is groups?
200
The ability of an object to transfer head or electricity to another object.
What is conductivity?
200
When nonmetals and metals react, ____________________ move from the metal atoms to the nonmetal atoms.
What are electrons?
200
What element was in the mineral that Henri Becquerel was studying?
What is Uranium?
300
What are the negatively charged particles in an atom?
What are electrons?
300
A ________________________ contains either one or two letters, and often is an abbreviation of the element's name in English; with Latin and other ancient name expectations.
What is a chemical symbol?
300
A material that can be pulled out, or drawn, into a long wire is a material that would be considered to be ____________.
What is ductile?
300
What type of elements are known as "salt forming"?
What is halogens?
300
________________________________ can produce alpha particles, beta particles, and gamma rays.
What is natural radioactive decay?
400
The particle that is electrically neutral is called a __________.
What is neutron?
400
___________________ is a state of matter that consists of a gas-like mixture of free electrons and nuclei of atoms that have been striped of electrons.
What is Plasma?
400
These types of metals react with other elements by losing one electron.
What are Alkali Metals?
400
Elements that have both characteristics of metals and nonmetals are __________________.
What are metalloids?
400
Radiation is useful in everyday life in what ways?
Possible answers: industrial processes, diagnosing and treating disease
500
Atoms with the same number of protons and a different number of neutrons are called _______________.
What is isotopes?
500
________________ (scientist)arranged the elements in order of increasing atomic mass.
Who is Mendeleev?
500
These types of metals react by losing two electrons.
What are Alkaline Earth Metals?
500
The most useful property of the metalloids is their varying ability to _____________________.
What is conduct electricity?
500
In industries, ____________ can find weak spots in metal pipes, especially oil pipelines; preventing a problem from occurring.