24-25 Sci Acad 2 Sem 1 Review

How many pairs of electrons are shared in a double bond?

• 1

• 2

• 3

• 4

When two atoms share six electrons with one another, what type of bond do they form?

• a double ionic bond

• a triple ionic bond

• a double covalent bond

• a triple covalent bond

What is a coordinate covalent bond?

• a bond in which each atom shares one of its electrons with the other atom

• a bond in which a single atom transfers both of its valence electrons to the other atom

• a bond in which a single atom shares four of its electrons with another atom

• a bond in which both electrons come from a single atom

Tags

NGSS.HS-PS1-1

How many pairs of electrons are shared in a single bond?

• 1

• 2

• 3

• 4

Covalent bonds are most likely to form between atoms of which types of elements?

• A. metals and metalloids

• B. metals and metals

• C. metals and non-metals

• D. non-metals and non-metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What happens to electrons during covalent bonding?

• A. They are given up by atoms.

• B. They are shared between atoms.

• C. They are transferred between atoms.

• D. They are taken in by atoms.

What is the largest difference in electronegativity between two atoms that form a covalent bond?

• A. 0

• B. 0.4

• C. 1.7

• D. 2.6

What causes the intermolecular force produced by dipole-dipole interaction?

• A. Partial positive charges repel each other.

• B. Partial negative charges attract each other.

• C. Partial negative charges repel partial positive charges.

• D. Partial negative charges are attracted to partial positive charges.

Tags

NGSS.HS-PS2-6

What causes London dispersion forces?

• A. sharing of electrons

• B. constant motion of electrons

• C. differences in electronegativity of atoms

• D. attraction between hydrogen and more electronegative atoms

What amount of electronegativity difference between two atoms makes the bond between them non-polar covalent?

• A. less than 0.4

• B. greater than 1.7

• C. greater than 0.4 and less than 1.7

• D. less than 0.4 or greater than 1.7