Atomic Structure 2024

Front

What is a metalloid?

Back

A metalloid is an element that has properties of both metals and nonmetals. An example of a metalloid is silicon.

Front

What makes an atom neutral?

Back

An atom is neutral because it contains equal numbers of protons and electrons.

Front

What is the formula for a Nitrogen ion?

Back

The formula for a Nitrogen ion is N^-3.

Front

How does an atom become a negative 2 ion?

Back

An atom becomes a negative 2 ion by gaining 2 electrons.

Front

What is the mass of the sulfur-34 isotope?

Back

The mass of the sulfur-34 isotope is 34.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the atomic number of an element?

Back

The atomic number of an element is the number of protons in its nucleus.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.