Show:
Periodic Table
Acids and Bases
Atoms
Physical and Chemical Changes
100
How many groups are in the Periodic Table of Elements?
18
100
What is the pH of Acids?
Lower than 7
100
What is an atom
Smallest particle in an element
100
When something new forms, what is it called?
Physical Change
200
What is the name for Groups 3-12?
Transition Metals
200
What is slippery?
Bases
200
What is a positive charge in an atom?
Protons
300
What is the name of the person who discovered the elements?
Dmitri Mendeelv
300
What turns blue litmus paper red?
Acids
300
What is the negative charge in an atom?
Electrons
400
What is the name for Group 17?
Halogens
400
Which can be strong or weak?
Acids or Bases
400
What has no charge?
Neutrons
500
What are the atomic numbers also called?
Protons
500
What is the pH of bases?
Greater than 7
500
What is the name of sum of the protons and neutrons?
Mass Number