Elements and the Periodic Table

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Can you name the Elements and the Periodic Table Key Terms?

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Particle in the atom with the smallest mass.
The deterioration of a metal due to a chemical reaction in the environment
Average mass of all the isotopes of an element
Positively charged particles in an atom
Particle in the atom with no charge
Number of electrons that can be held in the second shell (spell out number
Scientist who developed the first periodic table of elements (last name only)
Particles that move around in the cloud-like region of the atom
The modern periodic table is arranged in order of increasing ______.
Substance that can conduct electric current under some conditions but not under other conditions
Rows in the periodic table
Sum of the protons and neutrons of an atom
The ease and speed with which an element reacts with other substances
Negatively charged particles in an atom
These have some properties of metals and some properties of nonmetals
True or false: Most metals are not good conductors of heat and electricity.
Name of the modern model of the atom
Number of electrons that can be held in the first shell (spell out number)
A material that can be pulled out into long wires is said to be _____.
True or false: The number of protons always stays the same as the number of electrons in an atom.
The smallest particle that can still be considered an element
Every atom of an element has the same number of _____.
Scientist who thought that electrons were found in specific orbits around the nucleus
Unit used to measure the mass of an atom (abbreviation)
Atoms with the same number of protons and different numbers of neutrons
True or false: Most metals are solid at room temperature.
Region where protons and neutrons are found
Scientist who discovered that the atom had a positively charged nucleus
The most reactive type of metal
Region in the center of an atom
Columns in the periodic table
Scientist who thought that the atom was just a round ball that couldn't be broken into smaller pieces
Describes how shiny a metal is
The number of protons in the nucleus of an atom
Scientist who discovered electrons
True or false: Most nonmetals are poor conductors of electric current and heat.
A material that can be hammered or rolled into flat sheets or other shapes is said to be _____

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