Question

1. name of this substance; cao?

a) calcium oxide
b) calcium hydride
c) cadmium hydroxide
d) calcium hydroxide

Explanation:

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<reasoning>

Identify the elements in the chemical formula

\(\text{Ca}\) is calcium and \(\text{O}\) is oxygen.

Determine the ionic compound name

Calcium is a metal and oxygen is a nonmetal, forming an ionic compound where the anion ending is changed to "-ide", resulting in calcium oxide.
</reasoning>

<answer>
<mcq-correct>A) calcium oxide</mcq-correct>
<mcq-option>B) calcium hydride</mcq-option>
<mcq-option>C) cadmium hydroxide</mcq-option>
<mcq-option>D) calcium hydroxide</mcq-option>
</answer>

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Answer:

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<reasoning>

Identify the elements in the chemical formula

\(\text{Ca}\) is calcium and \(\text{O}\) is oxygen.

Determine the ionic compound name

Calcium is a metal and oxygen is a nonmetal, forming an ionic compound where the anion ending is changed to "-ide", resulting in calcium oxide.
</reasoning>

<answer>
<mcq-correct>A) calcium oxide</mcq-correct>
<mcq-option>B) calcium hydride</mcq-option>
<mcq-option>C) cadmium hydroxide</mcq-option>
<mcq-option>D) calcium hydroxide</mcq-option>
</answer>

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