Lab: Rate of Chemical Reactions — Unit test

Question 1

Which describes the substances that form covalent bonds?

Revolt · Accepted Answer

two nonmetals

Question 2

Which refers to the type of chemical bond that involves the transfer of electrons between atoms?

Revolt · Accepted Answer

ionic

Question 3

To what extent do covalent compounds conduct electricity?

Revolt · Accepted Answer

never

Question 4

An atom of lithium (Li) forms an ionic bond with an atom of chlorine (Cl) to form lithium chloride. How are the valence electrons of these atoms rearranged to form this bond?

Revolt · Accepted Answer

Electrons are transferred from the lithium atom to the chlorine atom.

Question 5

Lexi is balancing equations. She is finding one equation to be very difficult to balance. Which explains how to balance the equation ZnSO4 + Li2CO3 → ZnCO3 + Li2SO4?

Revolt · Accepted Answer

Atoms in the equation are already in balance.

Lab: Rate of Chemical Reactions — Unit test Answers

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