Question
Explore It! P art 1 In front of you are some models of atoms. The black dots represent the valence electrons for each atom. Atoms can bond with other atoms to create new substances. 1. What is a valence electron? 2. List 3 substances that have atoms which are bonded.
Answer
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Ezekiel
Master · Tutor for 5 years
Answer
Step 1: Define a valence electron.A valence electron is an electron that is located in the outermost shell (or energy level) of an atom. These electrons are important because they have the ability to engage in chemical bonding with other atoms.Answer 1: A valence electron is an electron in the outermost shell of an atom that can participate in chemical bonding.Step 2: List 3 substances with bonded atoms.To list substances with bonded atoms, we can think of any compound or molecule where atoms are held together by chemical bonds. Here are three examples:1. Water (H2O) - In a water molecule, two hydrogen atoms are bonded to one oxygen atom through covalent bonds.2. Carbon Dioxide (CO2) - In a carbon dioxide molecule, one carbon atom is bonded to two oxygen atoms, also through covalent bonds.3. Sodium Chloride (NaCl) - In table salt, sodium atoms are bonded to chlorine atoms through ionic bonds.Answer 2: Three substances that have bonded atoms are water (H2O), carbon dioxide (CO2), and sodium chloride (NaCl).