Element Basics
This is a pure substance made of only one type of atom.
What is an element?
This chart is used to organise all the elements.
What is the periodic table?
Most elements on the periodic table are this type.
What are metals?
This is the chemical symbol for carbon.
What is C?
This element is found in water along with hydrogen.
What is oxygen?
This is the smallest particle of an element.
What is an atom?
The elements are arranged in order of this number.
What is atomic number?
Metals are usually shiny and good at conducting this.
What is electricity?
This is the chemical symbol for sodium.
What is Na?
This element is found in pencil “lead”.
What is carbon?
This is the chemical symbol for oxygen.
What is O?
The vertical columns on the periodic table are called these.
What are groups?
Non-metals are usually poor conductors of heat and this.
What is electricity?
This is the chemical symbol for iron.
What is Fe?
This gas is used in balloons because it is lighter than air.
What is helium?
This element has the chemical symbol H.
What is hydrogen?
The horizontal rows on the periodic table are called these.
What are periods?
This non-metal is needed by humans and animals to breathe.
What is oxygen?
This is the chemical symbol for gold.
What is Au?
This element is found in table salt with chlorine.
What is sodium?
This number tells us how many protons are in an atom.
What is the atomic number?
Elements in the same group often have similar these.
What are properties?
This metal is liquid at room temperature.
What is mercury?
This is the chemical symbol for silver.
What is Ag?
This element is often used in electrical wires because it conducts electricity well.
What is copper?