6.5ab Atoms and Elements

Front

What is an atom?

Back

An atom is the smallest unit of matter.

Front

What is the atomic number of Oxygen?

Back

The atomic number of Oxygen is 8.

Front

How many protons does one atom of Oxygen have?

Back

One atom of Oxygen has 8 protons.

Front

What is the center of an atom called?

Back

The center of an atom is called the nucleus.

Front

Which element has the atomic number 7?

Back

The element with atomic number 7 is Nitrogen.

Front

What is the chemical symbol for Neon?

Back

The chemical symbol for Neon is Ne.

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 difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.