Atoms, Elements, Molecules + Flashcards
Basics of Chem (30 cards)
What is the DIAMETER of an atom
0.1nm (nanometers)
What turns an atom into a charged Ion
Having uneven Protons and Electrons
What are Elements
Variations of Atoms
What is the name of the Boxes in the Periodic Table
Nuclear Symbol
What is the name of the Letters representing an Element in the Periodic Table
Elemental Symbol
What is the bottom left number called
Atomic Number
What does the Atomic Number represent
Protons
What is the top left number called
Mass Number
What does the Mass Number represent
Neutrons and Protons
How do you find the Neutron Mass Number
Mass Number - Atomic Number
What is an Isotope
Variation of an Element with different numbers of Neutrons
What is the determining factor for what an element is
Number of Protons
What is a biology term for Isotopes
Species
Do elements react the same even with different numbers of neutrons
Yes
What changes with different Isotopes
The overall Mass changes
What is the Relative Atomic Mass
Average Mass of all Isotopes that Represent an Element
What is the symbol for Relative Atomic Mass
Ar
What is the Equation for Calculating Relative Atomic Mass
Sum of (Isotope Abundance*Isotope Mass)/Sum of Abundance of ALL Isotopes
What is a Molecule
Made up by 2 or more Atoms
What is a Compound
Made up by 2 or more Atoms with minimum 2 types of Elements
Can Molecules be Compounds
Yes
How do you Balance an Equation
Match amount of each element on each side
What is a Mixture
Not Chemically Bonded
What are the 2 ways to write an equation
Word Equation, Symbol Equation
