Unsur dan senyawa

Multiple Choice

Manakah dari pernyataan berikut yang paling tepat menggambarkan molekul suatu unsur?

• It consists of atoms of the same type bonded together.

• It consists of atoms of different types bonded together.

• It contains two or more types of atoms.

• It cannot exist as a molecule.

Open Ended

Menurut Anda, bagaimana struktur garam, besi berkarat, dan gas balon memengaruhi sifat dan kegunaannya dalam kehidupan sehari-hari?

Multiple Choice

Apa pentingnya memahami struktur materi dalam kehidupan sehari-hari?

• It helps us cook better food

• It allows us to understand why materials behave differently

• It is only useful for scientists

• It makes objects look more beautiful

Open Ended

Jelaskan bagaimana sifat-sifat air (H₂O) berbeda dari sifat-sifat unsur penyusunnya, hidrogen dan oksigen.

Multiple Choice

Apa perbedaan utama antara unsur dan senyawa berdasarkan komposisi atom dan kemampuannya untuk terurai?

• Elements consist of one type of atom and cannot be decomposed by chemical reactions, while compounds consist of two or more types of atoms and can be decomposed by chemical reactions.

• Elements consist of two or more types of atoms and can be decomposed by chemical reactions, while compounds consist of one type of atom and cannot be decomposed.

• Both elements and compounds consist of one type of atom and cannot be decomposed.

• Elements and compounds can both be decomposed by physical methods.

Multiple Select

Manakah di antara berikut ini yang merupakan contoh molekul diatomik?

• O₂

• H₂

• CO₂

• N₂

Open Ended

Compare the structure of water (H₂O) and carbon dioxide (CO₂) molecules. Apa yang membuat bentuk molekul mereka unik?

Multiple Choice

Which of the following substances is an element?

• Fe

• CO2

• NaCl

• H2O

Open Ended

If you could learn more about the structure of matter, what would you like to know?

Open Ended

Explain the difference between an element and a compound, and give an example of each from the lesson.

Open Ended

What makes different materials, such as table salt, rusted iron, and balloon gas, unique in their properties?