Understand Atomic Structure and Particles

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

How many protons are in Beryllium?

Back

4

Front

What does the element key represent in terms of protons?

Back

The element key shows the atomic number, which is the number of protons in the atom.

Front

What are isotopes?

Back

Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the atomic mass of Neon?

Back

20.18

Front

How many neutrons does an Oxygen atom have?

Back

8

Front

What is the difference between protons and neutrons?

Back

Protons are positively charged particles found in the nucleus, while neutrons are neutral particles that also reside in the nucleus.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the mass of a proton compared to a neutron?

Back

Protons and neutrons have approximately the same mass, but protons are slightly lighter.

Front

What is the significance of the atomic mass?

Back

The atomic mass is the weighted average mass of an element's isotopes, reflecting the number of protons and neutrons.