Atoms consist of a __________, inside which it holds the protons and neutrons.

• Nucleus

• Electron cloud

• Atomic number

• Word Bank

Protons have a __________ charge while the neutrons have __________ charge.

• Positive, no

• Negative, positive

• Neutral, negative

• Positive, neutral

Orbiting the nucleus are __________, which have a __________ charge.

• Neutrons, neutral

• Protons, positive

• Electrons, negative

• Electrons, neutral

The number of protons is determined by the __________.

• Atomic number

• Electrons

• Neutrons

• Protons+Neutron

The number of the neutrons is determined by __________.

• Protons+Neutron

• Atomic number

• Electrons

• Protons

Draw the atomic structure of the following using the periodic table: Hydrogen and Carbon.

What are isotopes?

• Atoms of different elements with different numbers of protons

• Atoms of the same element with different numbers of protons

• Atoms of the same element with the same number of protons but different numbers of neutrons

• Atoms of different elements with the same number of neutrons

Which of the following is not a form of hydrogen?

• Protium

• Deuterium

• Tritium

• Helium

What is the main difference between the three forms of hydrogen?

• The number of protons

• The number of electrons

• The number of neutrons

• The type of element

How many electrons does Hydrogen-1 have?

• 0

• 1

• 2

• 3