Chemical Bonds Practice

E- involved in bonding between atoms are

• valence e-

• inside the nucleus

• closest to the nucleus

• positively charged

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When at atom loses an e-, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Which is a property shared by most covalent bonds?

• high boiling point

• high melting point

• low melting point

• nonpolar bonds

Tags

NGSS.HS-PS1-1

A chemical bond formed when 2 atoms share e- is called a(n)

• ionic bond

• covalent bond

• metallic bond

• neutral ions

Which of the following is a property of ionic compounds?

• Low melting points

• Are brittle crystals

• Contain no charged particles

• Low boiling points

Which of the following terms means that metals can be rolled into thin sheets:

• polar

• alloy

• ductile

• malleable

Which of the following groups contains the most reactive elements?

• alkali metals

• transition metals

• noble gases

• carbon family

Ionic compounds are electrically

• positive

• negative

• neutral

Tags

NGSS.MS-PS2-5

How many valence e- does lithium have?

• 8

• 11

• 2

• 1

How many more valence e- does fluorine need in order to be stable?

• 7

• 17

• 1

• 8