Atoms
Elements
Metals / Nonmetals / Metalloids
Groups
Models
100
The uncharged particle in the nucleus of an atom.
What is a neutron?
100
The element with the symbol Mg.
What is Magnesium?
100
Shiny and a very good conductor.
What is a metal?
100
This group has 8 valence electrons, and is very inactive.
What is Noble Gases?
100
The atomic mass of carbon
What is 12
200
Tiny negatively charged particle.
What is an electron?
200
The most active metallic element.
What is Francium?
200
Brittle and a poor conductor.
What is a nonmetal?
200
This group has 1 valence electron, is very active, and never found alone in nature.
What is Alkali Metals?
200
Draw the Bohr diagram of Neon.
What is 2, 8?
300
Positively charged particle in the nucleus of an atom.
What is a proton?
300
The number of protons in an atom.
What is the Atomic Number?
300
An OK conductor of electricity.
What is a metalloid?
300
This natural element in the Halogen group combines with sodium to create table salt.
What is Cl?
300
Draw the Bohr Diagram of Chlorine?
What is 2, 8, 7?
400
Positively charged central part of an atom; protons and neutrons reside here
What is the nucleus?
400
The number of protons plus the number of neutrons in an atom.
What is the Atomic Mass
400
The element that is not classified as a metal/non-metal/metalloid
What is Hydrogen?
400
This element in the Noble gases group has 10 neutrons.
What is Neon?
400
this model shows protons and neutrons in the nucleus and electrons in the electron cloud outside of the nucleus.
What Modern Atomic Model?
500
An atom of an element with a different number of neutrons.
What is an isotope?
500
Elements are organized on the periodic table according to this.
What is the atomic number?
500
Most of the periodic table is made of these.
What are metals?
500
This Alkali Metal has an atomic mass of 39.
What is Potassium?
500
How to find the number of neutrons in an atom
What is Atomic Mass - Atomic Number
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