Unit 2 Test-Bonding, Nomenclature & Reactions

What do atoms that form negative ions tend to do?

• Tend to lose electrons

• Tend to lose protons

• Tend to gain electrons

• Tend to gain protons

What happens when the sodium atom loses an electron?

• It becomes negatively charged

• It become positively charged

• It forms a covalent bond

• It forms a noble gas

What types of atoms form a covalent bond?

• 2 or more Nonmetals

• 1 Nonmetal and 1 Metal

• 2 Metals

• 2 Noble Gases

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the bond that will form between Se and Cl.

• Ionic

• Covalent

• Metallic

• Hydrogen

What is a valence electron?

• an electron that is found in the outermost shell of an atom.

• an electron found in the innermost shell of an atom.

• an electron found in the middle shell.

• none of these is correct

Lithium would most likely form an ionic bond with which of the following?

• Beryllium

• Neon

• Chlorine

• Calcium

Which of the following loses a valance electron to form a positive ion?

• A nonmetal

• A metal

• A noble gas

• A halogen

Which of the following would gain a valence electron making it a negative ion?

• A metal

• A nonmetal

• A noble gas

• An alkali metal

What do atoms do with their electrons in a covalent bond?

• One takes and the other gives

• They are shared

• Nothing, they are already stable

• They are transferred