NC Physical Science 2.2 Review

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

• alkali metals
• alkaline earth metals
• halogens
• noble gases

In what section would Transition Metals be found?

• orange
• light blue
• blue
• white

Tags

NGSS.HS-PS1-1

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which number is the atomic mass?

• 79
• 196.97

What does the atomic mass tell you?

• Basically,the number of electrons and protons
• The number of neutrons
• Basically, the number of protons and neutrons
• The number of protons.

Covalent bond forms between....

• Nonmetals
• Metals
• Nonmetal and a Metal
• Metal and a Nonmetal

What is the chemical formula for dinitrogen trioxide?

• N₂O₃
• NO₂
• N₃O
• N₂O₄

Tags

NGSS.HS-PS1-1

calcium oxide

• Ca₂O₂
• Ca₂O
• CaO
• CaO₂

Tags

NGSS.HS-PS1-2

barium phosphide

• Ba₃(PO4)₂
• BaP
• Ba₃P₂
• Ba₂P₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

SeCl₄

• selenium chloride
• monoselenium tetrachloride
• selenium tetrachloride
• monoselenium chloride