VOCABULARY
PERIODIC TABLE
ATOMS & BEYOND
ACIDS & BASES
MISC.
100
The study of matter.
Chemistry
100
We use these as abbreviations for the element names on the periodic table.
Chemical Symbols
100
A group of atoms joined together.
Molecule
100
This measures the acidity or alkalinity of a substance.
pH Scale
100
Smallest piece of an element.
Atom
200
Substances containing only one kind of atom.
Element
200
Who is credited with creating the periodic table?
Dmitri Mendeleev
200
H2O and NaCl are examples of a ___.
Chemical Formula
200
What score would water recive on the pH scale?
7
200
These carry a positive charge.
Protons
300
A chemical change produces molecules known as __; they come from two or more different elements.
Compound
300
The vertical columns on the periodic table are called __.
Groups
300
The number of protons in the nucleus of an atom also tells us an elements ____.
Atomic Number
300
A solution with a score of 6.3 on the pH scale is considered a(n) ___.
Acid
300
What is the maximum number of electrons an atom can have in its first shell?
Two
400
Anything that has mass and takes up space.
Matter
400
How many protons are found in the following element?
82
400
Who is responsible for first studying atomic structure?
Niels Bohr
400
Bleach is considered a __ with a pH score of 13.
Base
400
Another name for chemical symbols is ___.
Atomic Symbols
500
An atom that has gained or lost electrons.
Ion
500
Based on the information provided, what is the atomic mass of the element platinum?
195.08
500
How many carbon atoms are in lactic acid: C3H6O3
Three
500
Acids form what kind of ions?
Hydrogen Ions (H+)
500
What two things make up an atoms nucleus?
Protons and Neutrons