Atoms and Isotopes

Front

Which shows the correct parts of the nucleus?

Back

Neutron and Proton

Front

Which part of an atom has the smallest mass?

Back

Electron

Front

Which part of an atom has a positive charge?

Back

Proton

Front

Which part of an atom has a negative charge?

Back

Electron

Front

Which part of an atom has no charge? Options: Proton, Neutron, Electron, None of them

Back

Neutron

Front

Using the picture from a periodic table, what is the Atomic Number?

Back

26

Front

Using the picture from a periodic table, what is the Atomic Mass?

Back

55.845

Front

How many protons are in Iron?

Back

26

Front

When two atoms of the same element have different masses, they are called ______, and have a different number of ______.

Back

Isotopes; Neutrons

Front

Calcium has the atomic number 20 and a mass number of 46. How many neutrons are present?

Back

26