Structure of the atom

Front

What is the mass number of an atom with 26 protons and 30 neutrons?

Back

56

Front

What does an atomic number of 8 indicate about an oxygen atom?

Back

It has eight protons in the nucleus.

Front

What charge do protons carry?

Back

Positive.

Front

Where are electrons located in an atom?

Back

Outside the nucleus.

Front

What is the representation of a solid in a particle diagram?

Back

X = solid.

Front

What is the representation of a liquid in a particle diagram?

Back

Y = liquid.

Front

What is the representation of a gas in a particle diagram?

Back

Z = gas.

Front

Define an atom.

Back

The smallest unit of matter that retains the properties of an element.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The central part of an atom containing protons and neutrons.