Show:
Atomic Structure
Periodic Table
Groups 1A-4A
Groups 5A-8A
Solving atomic structure
100
The dense, positively charged mass in the center of the atom
What is the nucleus?
100
Part of the periodic table that tells you how many protons an atom has
What is the atomic number?
100
The number of valence electrons in the alkali metals
What is a single valence electron?
100
The number of valence electrons in the Nitrogen family?
What is five valence electrons?
100
The number of protons in Boron
What is five protons?
200
The two subatomic particles that make up the nucleus
What is protons and neutrons?
200
Tells you the number of electrons a neutral atom (atom with no electrical charge) of an element has
What is the number of protons (or the atomic number)?
200
The representative group that is extremely reactive
What is the alkali metals (or Group 1A)?
200
The name of Group 7A
What is the halogens?
200
The number of neutrons in potassium
What is 20 neutrons?
300
The negatively charged subatomic particles that are found in the space outside the nucleus
What are electrons?
300
Tells you the number of neutrons + the number of protons an atom of an element has
What is the atomic mass of an element?
300
The number of valence electrons in Group 2A
What is two valence electrons?
300
Besides Helium, the number of valence electrons of atoms of elements in the Noble Gases
What is eight valence electrons?
300
The number of electrons in sodium
What is 11 electrons?
400
The possible energies that electrons in an atom can have (hint- the first one holds 2 electrons)
What is energy levels?
400
Each column in on the periodic table
What is a group?
400
How you can determine the differences in reactivity among the alkaline earth metals
What is the ways that alkaline earth metals react with water?
400
The number of valence electrons in Group 7A
What is seven valence electrons?
400
The number of neutrons in chlorine
What is 18 neutrons?
500
The most accurate and well supported atomic model
What is the electron cloud model?
500
The pattern of repeating properties when atomic numbers are used to arrange elements into groups
What is the periodic law?
500
The number of valence electrons in Group 4A
What is four valence electrons?
500
The group that consists of atoms of elements that are extremely unreactive
What is the noble gases?
500
The number of protons in Thallium
What is 81 protons?