Atoms
Smallest piece of an element
What is an atom?
What is an element?
A substance that is made from one kind of atom
The study of matter
What is chemistry
Determine the concentration of acids or bases in a solution.
What is the PH scale?
What are the different parts of an atom
Protons neutrons and electrons
Based of the # of protons
What is an atomic number
Positively and negatively charged ions attract each other
What is an ionic bond/
A substance that chances color when exposed to acid or base solutions
What is indicator?
What are the different charges of each part of an atom?
Protons (positive) neutrons (no charge)
Electrons ( negative)
The process in which different types of atoms join and form a new substance
What is a chemical reaction/ change
Atoms that share electrons
What is a covalent bond
Lemon, vinegar, sour taste, burn to the touch
What is an acid
Where can you find each part in an atom?
Protons and neutrons= nucleus
Electrons = shell
Protons + neutrons= __________
Atomic mass
How many hydrogens are in C3H6O?
6
Slippery to touch, bitter taste, bleach, baking soda, soap.
What is a base
Created the atomic model of an atom
Who is Niels Bohr
Created the periodic table
Dmitri Mendeleev
An atom that has gained or lost electrons
What is an ion?
A neutral substance found on #7 of the PH scale
What is water