CATEGORY A
Which element helps build and maintain healthy bones?
Which element is used in computer chips and smartphones?
SILICON
Which element makes up the largest percentage of the human body?
OXYGEN
Which element makes up 3.2% of the human body?
NITROGEN
What element combines with oxygen to form water?
HYDROGEN
What element is commonly used for electrical wiring and cables?
COPPER
What is the chemical symbol for Potassium?
K
What do we call elements that are present in very small amounts in the body?
TRACE ELEMENTS
Which element is a key component of hemoglobin that carries oxygen in the body?
IRON
Which element is used to make rechargeable batteries?
LITHIUM
Which element makes up about 9.5% of the human body?
HYDROGEN
When combined, which two elements make up water?
HYDROGEN AND OXYGEN
What element is essential for proper muscle contraction and relaxation?
MAGNESIUM
What lightweight metal is common in laptop and phone casings?
ALUMINUM
“Na” is the symbol for which element?
SODIUM
What element in the human body is responsible for carrying oxygen?
IRON
Which mineral supports the growth and repair of body cells and tissues?
PHOSPHORUS
Which element is used to make powerful magnets?
NEODYMIUM
Carbon makes up what percentage of the human body?
18.5%
Which element is needed for strong teeth and bones along with calcium?
PHOSPORUS