SPM SEBENAR (K1) 2021

Avery, Ava, and Noah are on a quest to discover the secrets of atom Z! They stumbled upon a mysterious diagram that represents atom Z. Can you help them figure out which of the following diagrams shows the correct atomic structure of atom Z?

• A

• B

• C

• D

Hey there, science explorers! 🌟 Which of the following atomic models was presented by the brilliant Rutherford? Let's see if Harper, Mason, or Grace can crack this one!

• A

• B

• C

• D

A resident in Kampung Sentosa made a complaint to the Water Department because his water bill increased drastically. The officer of the department found that there was an underground water pipe leakage in the house area by using a detector. What is the substance in the detector used by the officer?

• A. Karbon-14

• B. Kobalt-60

• C. Fosforus-32

• D. Natrium-24

Which of the following substances equal to 1 mol? Let's help Harper, Maya, and Arjun figure this out!

• A

• B

• C

• D

Which of the following metals uses the same method to determine its empirical formula? Join Abigail, Anika, and Grace in this fun chemistry challenge!

• A. Stanum/Tin

• B. Ferum/Iron

• C. Zink/Zinc

• D. Kuprum/Copper

Which of the following is the correct statement about X and Y?

• A. Saiz atom Y lebih kecil daripada X (Atomic size of Y is smaller than X)

• B. Takat lebur Y lebih tinggi daripada X (Melting point of Y is higher than X)

• C. Daya tarikan antara atom X lebih kuat daripada Y (Forces of attraction between atoms X are stronger than Y)

• D. Bilangan petala berisi elektron bagi atom X lebih banyak daripada Y (The number of shells filled with electrons of atom X is more than Y)

Lily, Mason, and Anika are on a quest to discover the mysterious element Y! They stumble upon two intriguing ions: [Y(CN)6]3− and [Y(CN)6]4−. Can you help them figure out which metal is element Y?

• A) Ferum/Iron

• B) Zink/Zinc

• C) Kalsium/Calcium

• D) Aluminium/Aluminium

Hey there, science explorers! 🌟 If Abigail and Ethan were to team up in a chemistry lab, what type of chemical bond would they create between atom P and atom Q?

• A) Ion/Ionic

• B) Logam/Metallic

• C) Datif/Daive

• D) Kovalen/Covalent

In a lively discussion, Aiden and Ava are debating about the properties of magnesium and magnesium oxide. Aiden claims that magnesium oxide cannot conduct electricity in solid form but can do so when melted, while Ava argues that magnesium conducts electricity in both solid and molten states. Which of the following explanations do you think is correct?

• A

• B

• C

• D

Hey there, science whizzes! 🌟 Which of the following statements is correct about the bond? Let's see if Ethan, Charlotte, or Oliver can crack this one!

• A. Transfer of electrons between metal atoms and non-metal atoms.

• B. Sharing of electrons between non-metal atoms that come from one atom only.

• C. The forces of attraction between hydrogen atoms that have bonded with an atom of high electronegativity in another molecule.

• D. The electrostatic forces between the sea of electrons and the positively-charged metal ions.