Module 1 - Properties and structure of matter Flashcards
(22 cards)
What is a negatively charged ion called?
Anion
What is a positively (pawsitively!) charged anion called?
Cation (CATion)
What do you call the property of an element that relates to its ability to attract electrons from other atoms
Electronegativity
What do we call the net charge of an atoms nucleus
Core charge
Metals that have an unpredictable array of charges that they can form are called the ____________ metals.
Transition
The most reactive group of elements on the periodic table
Alakali metals
The least reactive group of elements on the periodic table
Noble gases
What is (aq) short for regarding states of matter
Aqueous
The name of a group of atoms that contain more than 1 different type of atoms
Compound
A large group of covalently bonded atoms found as a solid (give an example)
Covalent network structure (graphite, diamond, silicon dioxide)
A type of separation technique whereby the different boiling points of liquids is utilized
Fractional distillation
An element on the periodic table that exhibits properties of both a metal and a non-metal
Metalloid
A mixture that is uniform throughout
Homogeneous
A mixture that is not uniform throughout
Heterogeneous
A solid that can form when two liquids are mixed is called
Precipitate
A liquid that can dissolve a solute
Solvent
Something that can be dissolved into a solvent
Solute
Radiation type that can travel the shortest distance
Alpha particle
What element does an alpha particle resemble?
Helium nucleus
The number given to an element that denotes how many protons are in its nucleus
Atomic number
Principle that states electrons will fill the lowest available energy orbital first
Aufbau principle