Chemistry Semester Review #1

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Which group of the periodic table is composed of inert (not reactive) gases?

answer choices

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Which element has similar chemical properties as sodium but has 7 energy levels?

• Francium (Fr)

• Cesium (Cs)

• Rubidium (Rb)

• Potassium (K)

Name for NaH

• sodium hydrogen

• potassium hydride

• sodium hydride

• potassium hydrogen

Tags

NGSS.MS-PS1-1

Formula for Cobalt (II) bromide

• CoBr

• Co₂Br₂

• Co₂Br

• CoBr₂

Tags

NGSS.MS-PS1-1

Name for BaO

• Barium oxide

• Barium monoxide

• Monobarium oxide

• Monobarium monoxide

What is the name of K₂O?

• dipotassium monoxide
• dipotassium oxygen
• Potassium oxide
• Potassium oxygen

Tags

NGSS.MS-PS1-1

What is the name of NF₃?

• mononitrogen trifluoride
• nitrogen trifluoride
• nitrogen flouride
• nitrogen fluorine 

Tags

NGSS.MS-PS1-1

What is the name for CO?

• Copper Oxide
• Carbon monoxide
• monocarbon oxide
• Copper monoxide

Mg(OH)₂

• magnesium hydroxide acid
• hydromagnesium acid
• magnesium oxygen hydride
• magnesium hydroxide

Tags

NGSS.MS-PS1-1