Isotopes , metals and non-metals Flashcards
What does Protium mean?
Protium is a hydrogen atom with 1 proton and 0 neutrons.
99.98% of hydrogen atoms are protium.
It is used in hydrogen fuel cells and the production of plastics.
What does Deuterium mean?
Deuterium is a hydrogen atom with 1 proton and 1 neutron.
Around 0.02% of hydrogen atoms are deuterium.
It is used in nuclear fusion.
What does Tritium mean?
Tritium is a hydrogen atom with 1 proton and 2 neutrons.
It is very rare.
It is used in thermonuclear fusion weapons.
What is an Isotope?
Atoms of the same element that have different numbers of neutrons.
Every atom of the same element will contain an identical number of ____________.
Protons
What’s the formula to the relative atomic mass?
RAM=(isotope abundance x isotope mass number) ÷ 100
The isotope abundance tells us _____________________________________________________________.
How often each different isotope of an element is found.
What happens when metals react?
When metals react, they lose 1 or more of these negatively charged electrons to form positively charged ions.
What are properties of metals?
~Metals have high melting and boiling points.
~Metals are good conductors of heat and electricity.
~Metals are all solids (except for mercury) at room temperature.
What happens when non-metals react?
When non-metals react, they either:
~Gain electrons to form negatively charged ions.
~Share electrons to form neutral molecule
What are some properties of non-metals?
~Non-metals have lower melting and boiling points than metals.
~Non-metals are often found as gases.
~Non-metals generally do NOT conduct heat or electricity.
Describe the structure of a metal.
Metal has a lattice arrangement of positive ions, with free electrons and the strong electrostatic force of attraction between them.
