Podcast
Questions and Answers
When an atom loses one electron or more, what does it change into?
When an atom loses one electron or more, what does it change into?
- A negative ion
- A neutral atom
- No correct answer
- A positive ion (correct)
Which element can NOT participate in chemical reactions?
Which element can NOT participate in chemical reactions?
- Sodium (Na)
- Neon (10Ne) (correct)
- Hydrogen (H)
- Oxygen (O)
What happens during the formation of a sodium chloride molecule?
What happens during the formation of a sodium chloride molecule?
- Sodium atom gains two electrons from chlorine atom
- Sodium atom gives two electrons to chlorine atom
- Sodium atom gives one electron to chlorine atom (correct)
- Sodium atom gains one electron from chlorine atom
Which of the following elements can form covalent molecules?
Which of the following elements can form covalent molecules?
Which molecule contains a triple covalent bond?
Which molecule contains a triple covalent bond?
What type of bond exists in a sodium chloride molecule?
What type of bond exists in a sodium chloride molecule?