Which of the following elements is NOT a METAL?

• Aluminum

• Cobalt

• Zinc

• Silicon

Which of the following elements is a NONMETAL?

• Aluminum

• Cesium

• Sodium

• Hydrogen

All of the following elements are METALLOIDS, except:

• Boron

• Arsenic

• Aluminum

• Silicon

Atoms bond to achieve an OCTET, which is ______

• 8 valence electrons

• 8 inner electrons

• 2 valence electrons

• 2 inner electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Metals lose electrons and become ______.

• positive cations

• negative anions

Nonmetal atoms gain electrons and become_________

• positive cations

• negative anions

Covalent bonds usually form when a nonmetal combines with a(an) METAL.

• True
• False

Which of the following is NOT an ionic compound:

• NaCl

• CCl₄

• CaF₂

• K(OH)

Fe(OH)₂ is an example of a(n) ___________ compound.

What is the formula for sodium bromide?

• NaBr

• NaBr₂

• Na₂Br

• SoBr

Tags

NGSS.MS-PS1-1