This element is used in swimming pools and makes our eyes red.
Chlorine
What is the chemical symbol for Carbon?
a) C
b) Ca
c) Cr
a) C
This element is the lightest element in the periodic table
Hydrogen
How many elements does a compound have?
A minimum of 2
True or False - All elements can be found in nature.
False
This element is a metal used in baking foil.
Aluminum
What element is N?
Nitrogen
Humans exhale carbon dioxide. What 2 elements are in carbon dioxide?
Carbon and Oxygen
How many elements are in the compound H2O?
2 - Hydrogen and Oxygen
Ice is an element - true or false?
False
This fruit is rich in potassium.
Bananas
What element is Na?
Sodium
The formula for sugar/glucose is C₆H₁₂O₆. What are the 3 elements?
Carbon, Hydrogen and Oxygen.
What are the 2 main elements that make up air?
Oxygen and Nitrogen.
Chlorine is a gas - true or false?
True
This element is found in milk and makes our bones stronger.
Calcium
What is the symbol for Potassium?
a) P
b) Po
c) K
K
What are the 3 most commonly used elements in our daily life?
Hydrogen, Carbon and Oxygen
How many elements are in baking soda (NaHCO₃)
4 - Sodium, Hydrogen, Carbon and Oxygen
True or false - living things do not need elements to live and grow.
What element is table salt known as?
Sodium
Ag and Au are 2 elements commonly used in jewellery. What are they?
Silver and Gold
What is the last element of the periodic table?
Oganesson
How many elements are there in the periodic table?
118
True or False - 92 out of 118 elements are found naturally on earth.
True