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Questions in chemistry

📝 Answered - Oxygen is denoted as \(^{16}_{8}\text{O}\). How many protons and neutrons does an oxygen atom have?

📝 Answered - How can a convection current enable a hawk or eagle to soar upward without flapping its wings?

📝 Answered - What did J.J. Thomson discover about the atom that changed the previously used atomic model?

📝 Answered - The core of an atom contains protons and __________.

📝 Answered - If something is made of atoms, it must be _____.

📝 Answered - Water is considered a compound of hydrogen and oxygen rather than a mixture of hydrogen and oxygen. Explain why this is the case.

📝 Answered - What are the general characteristics of substances chemists use to separate mixtures into individual substances?

📝 Answered - How many grams of CO₂ are produced by burning 8.32 g of C₄H₁₀?

📝 Answered - What are four physical properties of an orange?

📝 Answered - Water's _____ property creates positive and negative ions, which are essential for chemical reactions.