Atomic Structure
What is the centre of an atom called?
Nucleus
How many letters are in most element symbols: one, two, or three?
One or Two
Are metals usually shiny or dull?
Shiny
Are non-metals usually shiny or dull?
Dull
What is the symbol for hydrogen?
H
What particle has a negative charge?
Electron
What does each box on the periodic table represent?
Metals are good conductors of heat and ________.
Electricity
Are non-metals good or poor conductors of electricity?
Poor conductors
How many protons does carbon have?
6
What particle has a positive charge?
Proton
What is the atomic number equal to?
Number of protons
What property allows metals to be bent into shape without breaking?
Malleable
What non-metal do humans need to breathe?
Oxygen
Is gold a metal or non-metal?
Metal
What particle has no charge?
Neutron
Elements are arranged in order of increasing what?
Atomic number
Name one metal used to make electrical wires.
Copper
Non-metals are often brittle. What does brittle mean?
Breaks easily
What particle moves around the nucleus?
Electrons
What are the electrons in the outer shell called?
Valence Electrons
What is the symbol for oxygen?
O
Which side of the periodic table are most metals found on?
Left side
Which side of the periodic table are most non-metals found on?
Right side
If an atom has 12 protons, which element is it?
Magnesium