Parts of an Atom
Periodic Table
Important Scientists
Elements
Elements, Part 2
100
The particle with a neutral charge.
What is a neutron?
100
The name of an element is represented by _________.
What is the chemical symbol?
100
The scientist who developed the planetary model of the atom.
Who is Bohr?
100
At room temperature, most nonmetals are in the ________ state.
What is gaseous?
100
The only metal that is liquid at room temperature.
What is mercury?
200
The smaller particles that make up protons and neutrons.
What are quarks?
200
A column on the periodic table is referred to as a ______.
What is a Group?
200
The scientist who discovered the neutron.
Who is Chadwick?
200
A metal that can be hammered into sheets (like aluminum foil) is said to be ____________.
What is malleable?
200
A metal that can be stretched into a wire is said to be __________.
What is ductile?
300
The particle used to identify an element.
What is a proton?
300
The elements on the left side of the periodic table are known as _________. (They are colored blue on the periodic table in your book)
What are metals?
300
The scientist who formed the Atomic Theory, based on Democritus' definition of an atom.
Who is Dalton?
300
Hydrogen is grouped with the alkali metals because it has _________ valence electron(s).
What is one?
300
An element with four dots around its symbol in an electron dot diagram can be found in Group ______ of the periodic table.
What is 14?
400
How many times larger a proton or neutron is than an electron.
What is 1,836?
400
Adding the number of protons and neutrons in an element gives you the atomic ________.
What is mass?
400
The scientist who conducted the Gold Foil Experiment and discovered the nucleus.
Who is Rutherford?
400
The group of elements with two valence electrons is known as the __________ __________ __________.
What is the Alkaline Earth Metals?
400
SHINY is a description of a metal's __________.
What is luster?
500
The particles that make up the nucleus.
What are protons and neutrons?
500
A new ________ on the periodic table begins when the outer energy level (orbital) of an element is filled and electrons are still left over.
What is a period?
500
The scientist who conducted the Oil Drop Experiment to calculate the charge of an electron.
Who is Millikan?
500
The element that has three orbitals and six valence electrons in its Bohr diagram.
What is Sulfur.
500
1s2 2s2 2p5 is the electron configuration for ___________.
What is fluorine?
M
e
n
u