Chemistry Flashcards
Which state of matter is neatly arranged with no gaps?
Solid
Which state of matter is randomly arranged with no gaps?
Liquid
Which state of matter is randomly arranged with gaps?
Gas
What is a hazard?
Something that could injure you
What is a risk?
What injuries could happen
Reducing risks is?
What you could do to lower the chance of danger
What is a conclusion?
Results about what has happened in a practical
What is it when there are many gas particles?
High concentration
What is it when the gas particles are spread out?
Low concentration
What is a dependent variable?
The variable you measure
What is a control variable?
The thing that stays the same to make it a fair test
What is an independent variable?
The thing you do change
What is a substance that dissolves in a liquid?
Solute
What is a liquid that dissolves in a substance?
Solvent
What is a mixture which is formed when a substances dissolve into a liquid?
Solution
What is it when a substance is able to dissolve?
Soluble
What is an electron?
Negative charge in an atom
What is a proton?
Positive charge in an atom
What is a neutron?
A particle next to a proton in an atom
What is a compound?
Substances that are made up of 2 or more substances that are chemically bonded together
What is an element?
Substances that are made from one type of atom
What is Magnesium + Oxygen?
Magnesium Oxide
What is Sodium + Chlorine?
Sodium Chloride
How many groups are there on the Periodic Table?
18