Hey there, Hannah, Aiden, and Harper! Let's dive into the world of chemistry. Can you tell me the name of this oxyacid HClO₃ ? Choose the correct option below:

Lily, Maya, and Zoe are on a space adventure! They encounter an alien who will only let them pass if they can correctly identify the electron configuration of oxygen. Can you help them?

James and Noah are having a friendly debate. James says the compound with the formula NaCl is called Calcium chloride, but Noah disagrees. He thinks it's called Sodium chloride. Ava, being the chemistry whiz, knows the correct answer. Can you help Ava prove who is right?

Maya, Ava, and Michael are having a friendly competition to see who can calculate the percent composition of carbon in C₆H₁₂O₆ the fastest. Can you beat them to it?

Zoe, Kai, and Harper are having a science trivia night! They stumbled upon a question that they can't agree on. Can you help them out? What is the molecular mass of H₂SO₄?

Imagine Lily, Benjamin, and Aiden are playing a game of 'Guess the Element' in their chemistry class. Lily picks an element and gives a clue: 'My element is essential for life and its atomic number is the same as the number of legs on an octopus.' What is the atomic number of Lily's element?

Evelyn, Ava, and William are having a science competition! They're trying to balance the chemical equation: Fe + O2 -> Fe2O3. Can you help them out?

Emma, Anika, and Luna are having a debate about the electron configuration of calcium. Can you help them settle the debate?

During a science quiz, Luna and Olivia were asked to name the compound with the formula CO₂. Jackson, who was watching the quiz, knew the answer. Can you guess what Jackson was thinking?

Anika, Grace, and Ethan are having a water balloon fight! If they knew chemistry, they could tell you the percent composition of oxygen in the water in their balloons. Can you tell what it is?

Aria, James, and Kai are having a debate. They are trying to figure out the molecular mass of CO₂. Can you help them settle this debate?

Priya, Mason, and Jackson are having a debate about the atomic number of hydrogen in the periodic table. Can you help them settle the debate?

Priya, Evelyn, and Aria are working on a science project together. They are trying to balance the chemical equation: N2 + H2 -> NH3. Can you help them out?

Henry, David, and Ethan are having a debate about chemistry. They are stuck on a question and need your help. Can you tell them what is the percent composition of nitrogen in NH₃?

One isotope of of element X has an atomic mass of 78.92amu and a relative abundance of 50.69%. The other major isotope of has an atomic mass of 80.92amu and a relative abundance of 49.31%. Determine the average atomic mass of element X.

If I have 36g water (H2O) how many moles do I

have?

What is the chemical formula for this compound Al₂O₃?

It shows how many atoms of an element are in a molecule.

In a balanced chemical equation, which of the following must be equal on both sides? Choose all answers that applies.