water is made of one oxygen atom covalently bonded to two hydrogen atoms. the resulting water molecule is…

water is made of one oxygen atom covalently bonded to two hydrogen atoms. the resulting water molecule is polar, or has an uneven distribution of electrons. this means that part of the water molecule is slightly negatively charged (δ-), and another part is slightly positively charged (δ+). the models show the chemical structure of water. complete the paragraph to explain why water is a polar molecule. in a molecule of water, each hydrogen atom shares of electrons with the oxygen atom. oxygen also has nonbonding pairs of valence electrons. because valence electrons are less attracted to hydrogens nucleus than to oxygens nucleus, the hydrogen atoms have a slightly charge and the oxygen atom has a slightly charge.

water is made of one oxygen atom covalently bonded to two hydrogen atoms. the resulting water molecule is polar, or has an uneven distribution of electrons. this means that part of the water molecule is slightly negatively charged (δ-), and another part is slightly positively charged (δ+). the models show the chemical structure of water. complete the paragraph to explain why water is a polar molecule. in a molecule of water, each hydrogen atom shares of electrons with the oxygen atom. oxygen also has nonbonding pairs of valence electrons. because valence electrons are less attracted to hydrogens nucleus than to oxygens nucleus, the hydrogen atoms have a slightly charge and the oxygen atom has a slightly charge.

Answer

Answer:

  1. a pair; 2. two; 3. positive; 4. negative

Explanation:

Step1: Covalent - bond electron sharing

In a water molecule, hydrogen and oxygen form covalent bonds. Each hydrogen atom shares a pair of electrons with the oxygen atom.

Step2: Determine non - bonding electron pairs

Oxygen has 6 valence electrons. After forming two covalent bonds with hydrogen, it has two non - bonding pairs of valence electrons.

Step3: Analyze electron attraction

Oxygen is more electronegative than hydrogen. Valence electrons are less attracted to hydrogen's nucleus, making hydrogen atoms have a slightly positive charge.

Step4: Determine oxygen charge

Since oxygen attracts the shared electrons more strongly, it has a slightly negative charge.