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Questions in chemistry
📝 Answered - When you put a book on a table, the table pushes on the book. Is that Newton's 1st, 2nd, or 3rd law of motion?
📝 Answered - Is this a solid, liquid, or gas? "The particles are locked in fixed positions."
📝 Answered - Does salt dissolve faster in hot water than in cold water?
📝 Answered - Water-rich solutions carrying metallic salts fill cracks and form minerals. What type of mineral deposit is this process associated with?
📝 Answered - What is the relative mass of an electron?
📝 Answered - What is an example of a physical change involving iron and a chemical change involving iron?
📝 Answered - What does the formula for table salt indicate about that compound?
📝 Answered - Why is iron placed in the d-block of the periodic table?
📝 Answered - Key Facts of Covalent Bonding: - Covalent bonds involve the sharing of electron pairs between atoms. - These bonds typically occur between non-metal atoms. - Molecules formed by covalent bonding have a specific number of shared electrons. - The shared electron pairs result in a stable balance of attractive and repulsive forces between atoms. - Covalent bonds can be single, double, or triple, depending on the number of shared electron pairs. - Covalent compounds often have lower melting and boiling points compared to ionic compounds. - Covalent bonding leads to the formation of molecules with distinct molecular geometries.
📝 Answered - Which is not a compound? A. Gold B. Water C. Sugar D. Silicon dioxide
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