Physical
The smallest part of an element is called _____________
An Atom
Protons have a ____________ charge
Positive
in what state of matter are molecules packed tightly together?
Solids
If something is more dense, the particles are __________ and the item will __________.
Compact/sink
mixture
Name the 3 things that make up an atom
Electrons, neutrons, and protons
Electrons surround the ______________ and have a __________ charge.
nucleus/negative
In what state of matter do molecules move freely and quickly?
Gas
If something is less dense, the particles have more _______ and the item will ___________
space/float
If you are making lemonade and want the drink to be more concentrated, what should you add?
More lemons
Any two atoms joined together are called ________________
Molecules
Neutrons have a ______________ charge.
neutral
What state of matter takes the shape of its container?
Liquid
which is denser, saltwater or tap water?
Saltwater
If you are making sweet tea and it has to much sugar, you can dilute it by adding _________
More water
Two different atoms are called ________________
Compounds
H20 is an example of a _____________ and a ____________
Molecule and compound
What state of matter are molecules close together and slide past each other?
liquid
When items are mixed together and retain their physical properties, it is called a _________.
Mixture
increasing the temperature, stirring the tea, and using small, broken pieces of granulated sugar would ________ up the dissolution rate.
Speed up
Protons and neutrons are in the ______________ of the atom and make up the ___________.
center/nucleus
O2 is an example of a _________ only.
molecule
A liquid changing to a gas is ____________
Evaporation
When items are mixed together and a new substance is formed, it is called a ___________.
Solution
What is the universal solvent?
Water