Periodic table for 8D test today Flashcards
What is the lightest element in the periodic table?
Hydrogen.
How many atoms are there in an element?
1.
What is the most reactive element in group 1?
Fr /Francium.
Name one magnetic metal .
Fe/iron, Co/Cobalt or Ni/Nickle.
Iron, magnesium and gold are examples of what ?
Metal elements
Metals react with …..?
Oxygen to produce compounds called metal oxides.
how many groups are there in the periodic table?
8
magnesium + oxygen →….?
magnesium oxide
what does the zig zag line seperate ?
metals and non metals
The main groups are numbered from 1 to 7 going from left to right. What is the last group called ?
The Noble Gases (also known as group 0 or 8).
sodium + hydrogen →…..?
sodium hydroxide
Oxygen, carbon, sulfur and chlorine are examples of what?
Non-metal elements.
What is an insulator?
Poor conductors of heat and electricity
what is another name for group 0/8 ?
noble gases
Non-metals react with ….. to produce non-metal oxides.
Oxygen.