Chemistry
Grade-9
Easy
Question
Which of the following describes covalent bonds?
- Bonds form because of opposite charges
- Electrons are shared to fill outer electron shells
- Electrons are transferred between atoms
- Covalent bonds are magical
Hint:
Covalent bonds are formed by sharing of electrons.
The correct answer is: Electrons are shared to fill outer electron shells
- Covalent bonds are formed by sharing valence shell electrons.
- Covalent bonds are generally formed between two non-metals.
- Electrons are shared to fill outer electron shells.
Related Questions to study
Chemistry
How do covalent bonds form?
- Donating & receiving valence electrons between atoms.
- Opposite slight charges attract each other between compounds.
- Scientists are still not sure how they form.
- Sharing valence electrons between atoms.
How do covalent bonds form?
ChemistryGrade-9
- Donating & receiving valence electrons between atoms.
- Opposite slight charges attract each other between compounds.
- Scientists are still not sure how they form.
- Sharing valence electrons between atoms.
Chemistry
Why do atoms share electrons?
- To attain the electronic configuration of a noble gas.
- To become ions and take a charge
- To increase the mass
- It's a nice thing to do.
Why do atoms share electrons?
ChemistryGrade-9
- To attain the electronic configuration of a noble gas.
- To become ions and take a charge
- To increase the mass
- It's a nice thing to do.
Chemistry
How many valence electrons does a carbon have?

- 1
- 2
- 3
- 4
How many valence electrons does a carbon have?

ChemistryGrade-9
- 1
- 2
- 3
- 4
Chemistry
Low melting point and low solubility in water are general properties of ___________ compounds.
- Ionic
- Covalent
- Chemical
- Glucose
Low melting point and low solubility in water are general properties of ___________ compounds.
ChemistryGrade-9
- Ionic
- Covalent
- Chemical
- Glucose
Chemistry
A covalent bond involves __________ of electrons.

- Sharing
- Borrowing
- Exchanging
- Switching
A covalent bond involves __________ of electrons.

ChemistryGrade-9
- Sharing
- Borrowing
- Exchanging
- Switching
Chemistry
What part of an atom is involved in chemical bonding?
- Protons
- Neutrons
- Electrons
- Nucleus
What part of an atom is involved in chemical bonding?
ChemistryGrade-9
- Protons
- Neutrons
- Electrons
- Nucleus
Chemistry
Elements combine to form __________.
- Compound
- Atoms
- Positive ions
- Negative ions
Elements combine to form __________.
ChemistryGrade-9
- Compound
- Atoms
- Positive ions
- Negative ions
Chemistry
A chemical bond resulting from the electrostatic attraction between the positive and the negative ions is called_________.
- Covalent bond.
- Ionic bond.
- Charged bond.
- Dipole bond.
A chemical bond resulting from the electrostatic attraction between the positive and the negative ions is called_________.
ChemistryGrade-9
- Covalent bond.
- Ionic bond.
- Charged bond.
- Dipole bond.
Chemistry
What is this compound?

- Ionic
- Covalent
- Dative
- All the above
What is this compound?

ChemistryGrade-9
- Ionic
- Covalent
- Dative
- All the above
Chemistry
Is this compound ionic or covalent?

- Ionic
- Covalent
- Both A and B
- None of the above
Is this compound ionic or covalent?

ChemistryGrade-9
- Ionic
- Covalent
- Both A and B
- None of the above
Chemistry
Which of the following BEST describes the ionic bonds?
- Bond held together by a sea of electrons
- Bond of two ions of opposite charges held together by electrostatic forces
- Bond held together by the sharing of electrons
- Bond between hydrogen and an anion or polyatomic ion.
Which of the following BEST describes the ionic bonds?
ChemistryGrade-9
- Bond held together by a sea of electrons
- Bond of two ions of opposite charges held together by electrostatic forces
- Bond held together by the sharing of electrons
- Bond between hydrogen and an anion or polyatomic ion.
Chemistry
Nonmetals form ____ by ____ electrons.
- Cations, gaining
- Cations, losing
- Anions, gaining
- Anions, losing
Nonmetals form ____ by ____ electrons.
ChemistryGrade-9
- Cations, gaining
- Cations, losing
- Anions, gaining
- Anions, losing
Chemistry
Which is the correct formula for sodium chloride?

- SoCl
- SdCl
- NaCl
- NaCl2
Which is the correct formula for sodium chloride?

ChemistryGrade-9
- SoCl
- SdCl
- NaCl
- NaCl2
Chemistry
When an ionic compound is formed, its charge is:
- Negative
- Neutral (no charge)
- Positive
- None of the above
When an ionic compound is formed, its charge is:
ChemistryGrade-9
- Negative
- Neutral (no charge)
- Positive
- None of the above
Chemistry
When metals bond with nonmetals they form what type of bonds?
- Covalent
- Ionic
- Cooperative
- Lewis
When metals bond with nonmetals they form what type of bonds?
ChemistryGrade-9
- Covalent
- Ionic
- Cooperative
- Lewis