High School Science - HS-PS1-2 - Explanation of Chemical Reactions
6 Questions
NGSS.HS-PS1-2
1
Combustion of Methane (CH₄ + O₂ → CO₂ + H₂O). Which explanation best describes why methane reacts with oxygen to produce carbon dioxide and water?
2
Based on the data table, why does carbon form methane (CH₄) with hydrogen?
3
Hydrogen reacts with chlorine gas to form hydrogen chloride (HCl). Complete the explanation by selecting the correct terms from the drop-down menus.
4
Which two statements best explain how magnesium and nitrogen atoms form magnesium nitride?
5
The table below lists several pairs of elements.
6
When electricity is used to split water, hydrogen gas (H₂) and oxygen gas (O₂) form. Explain how the periodic table and valence electrons predict these products.