Matter
What is the Law of Conservation of Matter?
The law states that matter is neither created nor destroyed, but changes forms.
How does an element get its name?
special properties, Latin names, famous scientists, cities or countries.
What is the physical state of a Metallic bond?
Solid
Covalent bonds are shared between two...
non-metals
What is atom?
it is the smallest particle of an element of matter
What goes from a solid to a gas without a liquid phase?
Sublimation
Name three non-metals
ex. Fluorine, Chlorine, iodine (or any other non-metal)
Bonds between a metal and a non-metal are
Ionic
What is the physical state of a covalent bond?
liquid or gas
Atoms are composed of?
protons, neutrons, and electron
What is the smallest measure of matter?
Atom
Are Hydrogens reactive or non-reactive?
Very reactive, burns in air
What type of structure does an Ionic bond have?
Crystal Lattice
How many electrons are shared in a double covalent bond?
4
What is a neutral atom?
An atom that has the same/ equal number of protons and electrons.
What are Compounds made up of?
Two or more different atoms that are combined in fixed proportion
Who classified the elements into four groups, metals, non-metals, gases and earth? (based on physical properties)
Antoine Lavoisier
How many additional electrons does a halogen need to complete its octet?
one
What is the element with the highest electronegativity value?
Fluorine
Does an anion gain or lose electrons?
Gains electrons
How is a chemical change different than a physical change?
Physical changes in the form of a substance without changing its identity.
Chemical changes the identity of a substance.
Who create a list of the elements arranged by increasing atomic weight?
Alexandre De Chancourtois
What is Ionic Size?
When an atom loses or gains electrons the size of the ion
How do atoms achieve noble-gas electron configurations in single covalent bonds?
Two atoms share two electrons
What is the difference between atoms and elements?
Elements are pure substance with specific properties and atoms are the smallest unit that retain the elements properties.