Periodic Table
Physical Properties
Properties and changes
Elements
Acids and Bases
100
What is a periodic symbol for Silver?
Ag
100
All matter has physical properties
Yes
100
Chorine has a low reactivity
False
100
How does a metal look like?
Shiny or Metalic
100
A substance has a pH of 3. Is this substance an acid or base?
Acid
200
What is a periodic symbol for Sodium?
Na
200
What is the formula for density
Density= mass/volume
200
Ability to burn
Wood
200
Give me three characteristics of nonmetals
Shiny, poor conductor of heat, and dull
200
Water can be a solid, a liquid, or gas
True
300
Tell me the first three symbols of states of matter
Gas, Solid, Liquid
300
Give me two types of physical properties
Size-dependent, Size-independent properties
300
Ability to kill bacteria
Chlorine
300
Three characteristics of metalloids
Shiny, Conduct heat but not as well as metals, and bendable but not as well as metals
300
Give me two common physical properties
Color and Shape
400
Does each element has a different huber of protons in nucleus?
Yes
400
What is the pH scale?
It is used to measure the strength of an acid or a base
400
Meaning of reactivity
How easily a substance reacts with another substance
400
What is an atomic mass?
The average mass of all the isotopes of an element
400
What is a physical properties of bases? a-Slippery feel b-Sour taste c-Sharp smell d-Makes teeth squeak
a- Slippery feel
500
What is an isotope?
They are the atoms of the same element that have different numbers of neutrons
500
The pH of acid ranges from...
0 to just below 7
500
Give an example of a chemical property
If you leave a slice of apple on a table, the apple will turn brown
500
How much hydrogen is in H2O?
2
500
A physical property is something you can observe about matter without changing what matter is
True
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