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Atomic Theory
Periodic Table
Physical/ Chemical Properties
Physical/ Chemical Change
Periodic Table Trends
100
Proton, neutron, and electron
What is an atom made of?
100
A vertical column of an element in the periodic table. Element in a group share chemical properties
What is family?
100
Physical properties and Chemical properties
List two basic types of properties that we can associate with matter?
100
Rearranges molecules but doesn’t affect their internal structure
Define Physical Change
100
Ability of an atom to attract electrons when the atom is an compound
What is Electronegativity?
200
solid, liquid, and gas
The three states of matter are the distinct physical forms that matter can take:
200
Phosphorus
Which element has highest first ionization energy
200
Senses (sight, smell, taste, touch and hearing) and measuring
How we can determine physical properties?
200
Result in the formation of new chemical substance. At the molecular level, chemical change involves making or breaking of bonds between atoms.
Define Chemical Change
200
Increase, decrease
Ionization energy____ from left to right and ____ from top to bottom.
300
Man made
What are synthetic elements?
300
Gain electrons and increase in size
When a metal atom combine with a nonmetal atom the nonmetal atom will
300
Chemical property
Paper is combustible. Is that call physical property or chemical property?
300
physical
Is evaporation chemical or physical?
300
Increase as more protons and neutrons are added
What is the reason for Atomic mass trends?
400
Energy level
What is the electron cloud divided in to?
400
decrease
As atom of elements in group16 are considered in order from top to bottom, the electronegativity of each successive element
400
Physical: Do not change the chemical nature of matter Chemical: do change the chemical of matter
What is different between physical and chemical properties?
400
true
True or false? Matter is neither cheated or breakable
400
Larger
The atomic radius od anions is___ then neutral atoms
500
Electrons
What is located in the electron cloud?
500
Au
Which element can be found in nature in the free state?
500
d. changes
When you observe a chemical property, the substance __________. a. remains the same b. melts c. burns d. changes
500
Chemical
Which change can be easily be reversed?
500
Calcium
Which atomic radius is larger Hydrogen or calcium