States of Matter
What are the three states of matter that we have studied?
Solid, liquid, and gas.
How many elements are in the periodic table?
118
Write down the symbol for chlorine.
Cl
Name 2 types of chemical reactions
Fermenting, oxidation, combustion.
What is a synonym for hypothesis?
Prediction, educated guess, etc.
Which state of matter has its own shape?
Solids.
Write down three elements from the periodic table can be their symbol or name.
Ex: H, O, C
or .. hydrogen, oxygen, carbon.
What does Fe stand for?
Iron.
Define a chemical reaction.
A chemical reaction is when you take two substances and either mix or put them together to create a new substance.
What is combustion? Draw it.
Flames or fire.
Which state of matter holds the shape of the container it is in?
Liquid
Write down the atomic mass of Neon.
20.1797
Draw H2O
Picture of water.
What is the boiling point of water?
100 degrees Celsius
What does “properties” mean in chemistry? Specifically elements.
The way a chemical looks, acts or reacts.
Draw the way the particles look in a solid, liquid, and gas.
Solid: close together/has a shape. Liquid: spread out/ holds the shape of the container. Gas: Spread out.
How many groups are there in the periodic table?
17
What element has the atomic number 7?
Fluoride.
What is the freezing point of water?
0 degrees Celsius.
Draw 2 types of precipitation.
Snow, hail, rain
When a liquid turns into a gas, this is called…
Evaporation or Vaporization.
Why are elements organized in periods? What similarities would elements in period 2 have?
They have the same amount of electron shells.
Draw how the particles of the gas Oxygen would look
Particles spaced far apart and not within a container.
Describe oxidation and give an example of what causes something to oxidize quickly.
Oxidation is when a substance loses an electron. In most cases the thing oxidizing becomes brown. One example is an apple oxidizing quickly in vinegar.
The states of matter are reversible. Draw how this is possible with liquid.
Water cycle, ice to water, water to ice, gas to water, water to gas.