VLearn - Dr Novelle IGCSE Sciences Specialist

I’m overwhelmed with pride for my student. When we first began our journey together in chemistry and biology, her initial scores were in the 60s—far from where she wanted to be. But she never gave up.

With every lesson, she demonstrated resilience, determination, and an eagerness to improve. Week by week, we tackled challenging concepts that once seemed impossible, breaking them down and building her confidence.

And now, here she is, achieving an incredible 98 in her IGCSE Chemistry (0620) and Biology (0610) exams! This result reflects not just her intelligence, but also her grit, perseverance, and relentless hard work.

Moments like these remind me why I do what I do. It’s not just about the numbers—it’s about helping someone realize their potential and soar beyond their own expectations.

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Follow these magical steps to ensure you secure ***FULL*** marks in mole calculation questions (Paper 4) 🪄✨🧚💯

Step 1️⃣: Identify the reactants and products & balanced chemical equation

Step 2️⃣: Identify what is given and what is needed

Step 3️⃣: Convert given information (mass/ volume / molarity) to mole

Step 4️⃣: Use mole ratio to find out mole of another substance**

Step 5️⃣: Convert mole to what is needed

Number of Moles in Aqueous Solution ✅✅✅

A Frequently Asked Question in IGCSE Paper 4. Refer to the Example for a Full Grasp of this Concept. 🧠

The mole concept tends to be challenging for many students. 🥴😵‍💫😵 Certainly, there are typically questions coming out from the topic in every IGCSE exam.

Here’s a helpful tip ✅ : When converting from moles to any other unit, simply ✖️ by a certain value, and when converting from any other unit to moles, just ➗ by a certain value. 🧮🔄

Follow VLearn - Dr Novelle IGCSE Chemistry Specialist for the latest useful updates and details.

In the IGCSE chemistry syllabus, understanding the concepts of Relative Atomic Mass (RAM) and Relative Molecular Mass (RMM) is essential. 📐📏⚖️‼️

Mastering these definitions and concepts will facilitate a deeper comprehension of chemistry and make it easier to excel in the subject.

When balancing a chemical equation, always pay attention to diatomic molecules like H2, O2, N2, and the halogens (F2, Cl2, Br2, I2)‼️⚖️

Balance one element at a time, starting with the most complex molecule and working your way through the equation methodically.➕➖✖️➗🧮

One of the important topics in IGCSE chemistry ‼️‼️: Deducing Chemical Formula by Combining Power (Valency) 🧪 ⚛️

Exploring the Essentials: Understanding Metallic Bonding and Key Metal Properties!

Differences between Simple & Giant covalent structures

𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁 𝗼𝗳 𝘁𝗵𝗲 𝗱𝗮𝘆:

In ionic bonding, valence electron(s) are completely transferred from one atom to another, leading to the formation of two ions with opposite charges.

Conversely, covalent bonding occurs when atoms share electrons between them.

Selamat Hari Raya Aidilfitri! 🌙✨ Wishing you and your loved ones a joyous celebration filled with blessings, forgiveness, and happiness. Maaf zahir dan batin!

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VLearn Academy