Unit One Flashcards
What is the mass number
Number of protons plus the number of neutrons in the nucleus
What is the atomic number
The number of protons in the nucleus
Give the definition of an isotope
Have the same atomic number but with different mass numbers
What effects the rate of reaction
Partial size
Temperature
Concentration
Catalysts
What’s the equation for the average rate
Change in quantity
—————————
Change in time
What are the diatomic elements
Hydrogen Has Nigtrogen Neville Oxygen Over Fluorine Fed Chlorine Claire’s Bromine Big Iodine Iguana
Why do atoms combine ?
Because they all want to be like noble gasses , with full electron wheels , stable
How does a covalent bond form
When two positive nuclei are held together by their common attraction for a shared pair of electrons
When does a triple bond accur
When 2 atoms share 3 pairs of electrons eg. Nitrogen
What is discrete covalent molecular bonding
Discrete covalent molecular compound tend to be small compounds where neither elemeang is a metal
What are the prefixes and number of atoms
Prefix Number ————————- Mono 1 Di 2 Tri 3 Tetra 4
What is ionic bonding
Positive ions and negligible ions joining together
How do ionic bonds form
They join together. The ionic bond is the electrostatic attraction between oppositely charged ions
What are the different networks and lattices
Covalent network
Covalent molecules
Ionic compound
Metallic bonding
What type of bonding conducts as a solid
Metallic