The Atom
Periodic Table
The Elements
More Elements
Groups
100
These are the subatomic particles.
What are protons, neutrons, and electrons
100
Elements are arranged by this on the periodic table.
What is atomic number
100
This element with 17 protons, is one-half of common table salt and is used to treat drinking water and swimming pools.
What is chlorine
100
This group of elements is found to the right of the stair step line on the periodic table.
What are the non-metals
100
These elements are found on the stair step and have properties of metals and non-metals.
What are the metalloids
200
These particles have a positive charge and are found in the nucleus.
What is a proton
200
This number is equal to the number of protons or the number of electrons in a neutral atom.
What is the atomic number
200
This element with 2 neutrons is a gas found in the floating balloons you see at birthday parties.
What is helium
200
These elements make up group 2 of the periodic table.
What are the alkaline earth metals
200
These elements make up groups 3 - 12.
What are the transition metals
300
This is the location of an electron.
What is the electron cloud
300
These elements are found to the left of the stair step line on the periodic table.
What are metals
300
You put this element with 9 protons on your teeth two times each day to help prevent cavities, once in the morning and once at night.
What is fluorine
300
This neutron deficient element, is found in the sun, and was responsible for the Hindenburg’s demise.
What is hydrogen
300
These unreative non-metals make up group 18.
What are the noble gases
400
This is the location and charge of the neutron.
What is the nucleus/neutral
400
This is how neutrons are calculated for a given element.
What is mass number - atomic number
400
This element with a mass of 40 amu is an important mineral for strong bones. It’s found in milk and does a body good.
What is calcium
400
This element with 7 protons makes up about 78% of the air we breathe.
What is nitrogen
400
These reactive metals make up group 1 on the periodic table.
What are alkali metals
500
These particles added together make up the mass of an element.
What are protons and neutrons
500
This scientist is credited with the final arrangement of the periodic table.
Who is Dimitri Mendeleev
500
This orange-colored metallic element with 35 neutrons is found in wires, cables, pipes, and pennies.
What is copper
500
Abundant in the grocery stone with 13 electrons, this recyclable element cans foods and sodas.
What is aluminum
500
These reactive non-metals make up group 17.
What are the halogens
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