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Which element has the atomic number 1?

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Question: Which element has the atomic number 1?

Options:

  1. Helium
  2. Hydrogen
  3. Lithium
  4. Beryllium

Correct Answer: Hydrogen

Solution: 

Hydrogen has the atomic number 1.

Which element has the atomic number 1?

Practice Questions

Q1
Which element has the atomic number 1?
  1. Helium
  2. Hydrogen
  3. Lithium
  4. Beryllium

Questions & Step-by-Step Solutions

Which element has the atomic number 1?
  • Step 1: Understand what atomic number means. The atomic number of an element is the number of protons in its nucleus.
  • Step 2: Know that each element has a unique atomic number.
  • Step 3: Look for the element that has the atomic number 1.
  • Step 4: Identify that the element with atomic number 1 is Hydrogen.
No concepts available.
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