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atoms and molecules

Nanoscience – introduction

Article

Nanoscience – introduction

Nanoscience involves the study of chemical and physical changes that happen at the nanoscale. Researchers and scientists are interested in ...

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Periodic table of elements

Article

Periodic table of elements

The periodic table of elements puts all the known elements into groups with similar properties. This makes it an important ...

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Designing drugs and making molecules

Article

Designing drugs and making molecules

Dr Bridget Stocker from the Malaghan Institute of Medical Research and Dr Mattie Timmer from Victoria University of Wellington are ...

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Advanced ceramics – oxides and nitrides

Article

Advanced ceramics – oxides and nitrides

An oxide is a chemical compound made up of oxygen combined with at least one other element. Most of the ...

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Radioisotopes

Article

Radioisotopes

Closer examination of the atoms that make up a given element has shown that, although they have the same number ...

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Chemistry made simple – atoms

Teacher PLD

Chemistry made simple – atoms

In this recorded professional learning session, Greta Dromgool will build your knowledge and confidence to teach the particle nature of ...

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Case study: Tetracycline antibiotics in the environment

Article

Case study: Tetracycline antibiotics in the environment

Antibiotic medicines have been an important development for human health, and they’re credited with improving the average human lifespan. While important for human and animal health, ...

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Case study: Zinc in the environment

Article

Case study: Zinc in the environment

We use chemicals every day, and they’re all around us. We know different chemicals come in different forms and that they will behave differently in different ...

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Chemical contaminants in the environment

Article

Chemical contaminants in the environment

Did you know there are over 30,000 chemicals approved for use across Aotearoa New Zealand? Who approves and regulates the use of these chemicals? How do ...

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Sniffing out bee disease

Article

Sniffing out bee disease

American foulbrood (AFB) is a highly infectious disease that infects bee larvae. It costs the beekeeping industry millions of dollars a year and threatens the role ...

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Acids and bases – introduction

Article

Acids and bases – introduction

From our bodies to our Earth’s oceans and rocks, acids and bases play an important role in our lives and the environment around us. If you ...

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Gallium

Article

Gallium

Gallium is perhaps best known as a metal that is a solid when you pick it up and melts when it sits in your hand. Elemental ...

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Mercury

Article

Mercury

Mercury – named after a Roman god known for speed and agility – is a chemical element that has fascinated humans for thousands of years. Mercury ...

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Gold

Article

Gold

Gold is the stuff of dreams and legends. Empires have been toppled for it, pirates have plundered it and misers have hoarded it. But what does ...

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Cobalt

Article

Cobalt

Cobalt is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is Co and its atomic number is ...

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Magnesium

Article

Magnesium

Magnesium is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is Mg, and its atomic number is ...

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Neodymium

Article

Neodymium

Neodymium is a chemical element. Its official symbol is Nd, and its atomic number is 60, which means it has 60 protons in its nucleus. On ...

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Lead

Article

Lead

Lead is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is Pb, and its atomic number is ...

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Rutherfordium

Article

Rutherfordium

Rutherfordium is a synthetic chemical element. Its official chemical symbol is Rf, and its atomic number is 104, which means that a rutherfordium atom has 104 ...

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Elements – weird and wonderful

Article

Elements – weird and wonderful

The United Nations proclaimed 2019 to be the International Year of the Periodic Table of Chemical Elements. This was to commemorate the 150th anniversary of Dmitri ...

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Helium

Article

Helium

Helium is a chemical element. Its official symbol is He, and its atomic number is 2, which means it has two protons in its nucleus. Helium ...

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Zinc

Article

Zinc

Zinc is a chemical element. Its official symbol is Zn, and its atomic number is 30, which means each zinc atom has 30 protons in its ...

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Sulfur

Article

Sulfur

Sulfur is a chemical element. Its official symbol is S and its atomic number is 16, which means that each sulfur atom has 16 protons in ...

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A Oxygen molecule.

Article

Oxygen

Oxygen is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is O, and its atomic number is ...

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Properties of materials – introduction

Article

Properties of materials – introduction

Matter is anything that has mass and occupies space. A useful way to start thinking about matter is to think about the different materials, or substances, ...

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Flight Plastics recycling technology

Article

Flight Plastics recycling technology

Over the last 50 years, plastics have become an integral part of our world. Plastic products are found everywhere – in our houses, cars, bikes, toothbrushes ...

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Plastics and recycling

Article

Plastics and recycling

Plastic is an amazing material. It has changed the way we store and carry food, drinks and other items. Plastic is lightweight and resists breaking when ...

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Nanoscience – question bank

Article

Nanoscience – question bank

An inquiry approach is a method often used in science education. The question bank provides an initial list of questions about nanoscience and places where their ...

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Digestion chemistry — key terms

Article

Digestion chemistry — key terms

Food’s macronutrients undergo chemical breakdown as they move through the digestive system. Learn more about the digestion process and its hormonal control with these explanations of ...

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