Senior High School: 11th and 12th Grade - Physics - Radioactivity - Atomic Structure Solution

Q.1.

What is the relative charge of a neutron?

Q.2.

What is the relative mass of a proton?

Q.3.

Atoms of an element always have the same number of protons but can have a different number of what?

Q.4.

A neutral atom has five protons. How many electrons does it contain if it is not an ion?

Q.5.

What is an atom called which has lost an electron?

Q.6.

What is the relative mass of an electron?

Q.7.

What is the relative charge of a proton?

Q.8.

What is an atom?

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An atom is made up of an electron
100%
An atom is a particle consisting of a small central nucleus containing protons and neutrons surrounded by electrons
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An atom is made up of molecules such as H2O
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An atom is a particle consisting of a small central nucleus containing neutrons and electrons surrounded by protons

Q.9.

What does an atom's atomic number represent?

Q.10.

If an atom has 3 electrons, how many protons does it contain?