Write only the word that will fill in the blank for A

Write only the word that will fill in the blank for B

Write only the word that will fill in the blank for C

Write only the word that will fill in the blank for D

Write only the word that will fill in the blank for E

Write only the word that will fill in the blank for F

Write only the word that will fill in the blank for G

In the reaction Zn + 2HCl --> ZnCl₂ + H₂

which element, if any, is oxidized?

• Zinc

• Hydrogen

• Chlorine

• None

Tags

NGSS.HS-PS1-2

In the reaction
2Ca(s) + O₂(g) --> 2CaO(s), calcium is __________

• Reduced
• Synthesized
• Oxidized
• None of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which statement is true:
Mg → Mg²⁺ + 2e^–

• Mg gains 2 electrons
• Mg_²⁺ loses 2 electrons
• Mg loses 1 electron
• Mg loses 2 electrons

Tags

NGSS.HS-PS1-2