true or false: the behavior of an atom is mostly determined by the number of electrons in its valence shell.
options: true, false.
question 9: when an atom loses an electron, it becomes a positively charged select. when it gains an electron, it becomes a negatively charged select.
question 10: chemical bonds can either be select (forming between ions of opposite charge) or select (resulting from the sharing of electrons).
question 11: covalent bonds are non - polar if the electrons are shared select and polar if the electrons are shared select. hydrogen bonds can form between the partial charges in select molecules.

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Accepted Answer

### Question (True/False):
# Brief Explanations:
The valence shell electrons determine an atom's chemical behavior (like bonding). So the statement is true.
# Answer:
True

### Question 9:
# Brief Explanations:
- When an atom loses an electron, it has more protons (positive charge) than electrons, so it becomes a **cation** (positively charged ion).
- When an atom gains an electron, it has more electrons (negative charge) than protons, so it becomes an **anion** (negatively charged ion).
# Answer:
First [Select]: cation
Second [Select]: anion

### Question 10:
# Brief Explanations:
- Ionic bonds form between ions of opposite charge (transfer of electrons).
- Covalent bonds form from sharing electrons between atoms.
# Answer:
First [Select]: ionic bond
Second [Select]: covalent bond

### Question 11:
# Brief Explanations:
- Non - polar covalent bonds have electrons shared **equally** (e.g., in $H_2$).
- Polar covalent bonds have electrons shared **unequally** (e.g., in $H_2O$).
- Hydrogen bonds form between partial charges in **polar** molecules (like water, where $H$ has a partial positive and $O$ has a partial negative).
# Answer:
First [Select]: equally
Second [Select]: unequally
Third [Select]: polar

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Question (True/False):

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Question 9: