If only an element’s atomic number and weight are provided, what other atomic information can be determined for a neutral atom?(1 point)

Responses

only the number of protons and electrons

the number of protons, electrons and neutrons

only the valence electrons

only the number of protons and neutrons

3 answers

the number of protons, electrons and neutrons

Explanation:
- The atomic number of an element gives the number of protons in its nucleus.
- For a neutral atom, the number of electrons is equal to the number of protons.
- The atomic weight, or atomic mass, is approximately equal to the sum of the number of protons and neutrons in the nucleus. By rounding the atomic weight to the nearest whole number, you can obtain the mass number. Subtracting the atomic number (number of protons) from the mass number gives you the number of neutrons.
what is the correct answer
Apologies for any confusion. The correct answer is:

**the number of protons, electrons, and neutrons**

Here's the reasoning once again, broken down by each component:

1. The **atomic number** tells you the number of protons in an atom.
2. In a **neutral atom**, the number of electrons is equal to the number of protons.
3. The **atomic weight** (more accurately referred to as the atomic mass) is roughly the sum of the protons and neutrons. By rounding the atomic mass to the nearest whole number, you get what's called the mass number. To find the number of neutrons:
- Subtract the atomic number (number of protons) from the mass number.

So, given the atomic number and atomic weight, you can determine the number of protons, electrons, and neutrons in a neutral atom.