Atoms

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the atomic number?

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 does Boron have?

Back

Boron has 5 protons, so its atomic number is 5.

Front

What is the maximum number of electrons in the first electron level?

Back

The first electron level can hold a maximum of 2 electrons.

Front

What is the maximum number of electrons in the second electron level?

Back

The second electron level can hold a maximum of 8 electrons.

Front

What is a stable atom?

Back

A stable atom has a full outer electron shell, making it less likely to react with other atoms.

Front

Is Boron a stable atom?

Back

No, Boron is not stable because it does not have a full outer electron shell.

Front

How many electrons are in Boron's first electron level?

Back

Boron has 2 electrons in its first electron level.

Front

How many electrons are in Boron's second electron level?

Back

Boron has 3 electrons in its second electron level.

Front

What is the significance of electron configuration?

Back

Electron configuration determines how an atom interacts with other atoms and its chemical properties.