General Chemistry Concepts

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed when two atoms share electrons.

Front

How many significant figures are in the measurement 170.040 km?

Back

There are six significant figures in the measurement 170.040 km.

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons are found in the nucleus of an atom.

Front

Why do sodium and chlorine atoms attract each other in a salt crystal?

Back

Sodium has a positive charge and chlorine has a negative charge.

Front

Who discovered neutrons?

Back

James Chadwick is credited with discovering neutrons.

Front

What is an ionic bond?

Back

An ionic bond is a chemical bond formed through the transfer of electrons from one atom to another, resulting in the attraction between oppositely charged ions.

Front

What are protons?

Back

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

Front

What are neutrons?

Back

Neutrons are neutral 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?

Back

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