Elements and the Periodic Table

Random Science or definition Quiz

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

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

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