How Many Electron Pairs Are Shared Between Carbon Atoms in a Molecule

question 4

Multiple Choice

How many electron pairs are shared between carbon atoms in a molecule that has the formula C₂H₄?

• A) 0
• B) 1
• C) 2
• D) 3
• E) 4

---

Definitions:

Social Security Benefits

Payments made to eligible individuals by the government, including retirement, disability, and survivor benefits.

Progressive Tax

Places greater burden on those with best ability to pay and little or no burden on the poor (for example, federal personal income tax).

Proportional Tax

A tax whose burden falls equally among the rich, the middle class, and the poor.

Regressive Tax

A taxation system where the tax rate decreases as the taxable amount increases, leading to a higher tax burden on lower-income individuals relative to higher-income individuals.