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Atoms
Vocab
Periodic Table
Periodic Table 2
Random
100

Define an atom

What is: the smallest unit of an element

100

A neutron

What is a neutrally charged subatomic particle

100

Mg symbolizes what element.

Magnesium

100

The scientist who created the periodic table

Dmitri Mendeleev

100

Electrons are located here

Outside of the nucleus, in the electron cloud

200

In an atom, which of the following has the least mass:

neutron, electron, or proton

What is electron

200

Average mass of all the protons and neutrons in the atom

What is atomic mass

200

The symbol for the element of Phosphorus.

What is P

200

Name the element with 13 protons, 14 neutrons, and 13 electrons

Oxygen

200

The compound Mg(NO3)2 contains what atoms

What is Magnesium, Nitrogen, Oxygen

300

These two particles are located in the atom's nucleus

What is protons and neutrons

300

Subatomic particles with a negative charge

What is electron

300

On the periodic table, the number on the top of the element is the _____

What is the atomic number

300

"Boron the moron is on the top of the stupid stairs" represents the __________ on the periodic table.

Metalloids

300

These subatomic particles contributes most to an atom's overall mass.

What are protons and neutrons.

400

Atoms are made up of smaller subatomic particles called ____, _______, and ________

What is protons, neutrons, and electrons

400

Subatomic particles with a positive charge that is located in the nucleus of an atom.

What is a proton

400

On the periodic table, the number below the element is the _____

What is the atomic mass

400

The left side of the periodic table contains atoms that are all _____________.

Metals

400

A row in the periodic table is also called a ___________

Period

500

Describe the difference between atomic number and mass number

The atomic number is the number of protons in an atom. The Atomic Mass number is the sum of the number of protons and neutrons in an atom.

500

______ ______ represents the number of protons in an element of an atom

What is atomic number

500

This is the smallest atomic mass on the periodic table

What is Hydrogen

500
On the right side of the periodic table the elements are ____________

nonmetals

500

The electrons on the outermost shell of the atom are called ___________ electrons.

Valence