What is matter that is comprised of only one type of atom?
element
This is anything that takes up space (has a mass).
matter
A solution
That is formed when a solute dissolves in a solvent?
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
A water molecule is represented as H2O. How many hydrogen and oxygen atoms are in this molecule?
2 hydrogen and 1 oxygen atoms
The Period Table of Elements categorizes elements according to the properties of their ______________, which are the smallest unit of an element.
atoms
The smallest pieces of matter are called __________.
atoms
What is a chemical made in a reaction called?
Product
These particles have a positive charge and are found inside the nucleus.
Proton
The earliest form of chemistry was called _______.
alchemy
The ________________________ organizes all known elements.
the Periodic Table
Some atoms have more ___________, which makes it an isotope and gives it a negative charge
electrons
Reactant
a chemical that is used up in a reaction
These particles are located within the nucleus, and have no charge.
Neutron
Names for elements comes from the English or __________ name.
Latin
Saturated
- a solution that cannot dissolve any more solute
- a solution containing the maximum amount of solute
define hydrophilic
A hydrophilic substance has an affinity for water. It is considering water "loving". Usually, this dissolves easily in water.
a reaction where 2 solutions produce a solid
Precipitation
These particles are negatively charge and are found outside the nucleus.
Electrons
What is an acid?
Any compound that forms H+ ions in solution.
A substance formed by the chemical combination of two or more elements in definite proportions.
compounds
The levels of organization that make up an organism, starting with atom and ending with organism.
The levels of organization that make up an organism is:
1. Atoms.
2. Molecules.
3. Cells.
4. Tissues.
5. Organs + systems.
6. Organism.
stoichiometry
calculations in a reaction
Most of the mass of an atom is located here.
Nucleus
Name the 6 elements needed for life
The six elements necessary for life are C - carbon, H- hydrogen, O- oxygen, N- nitrogen, P- phosphorus, and lastly S- sulfur. (C,H,O,N,P,S)