Atoms Knowledge Check

The three smaller components that make up atoms are:

• Neutrons, Protons, and ions

• Neutrons, Electrons, and Protons

• Protons, ions, and Electrons

• Electrons, Protons, and ions

Which of the following lists the two particles found together inside the nucleus of an atom?

• Photons and ions

• Neutrons and electrons

• Protons and neutrons

• Electrons and protons

If an atom has six positively charges subatomic particles, which of the following must it also have in order to be a neutral atom

• twelve protons

• six neutrons

• three electrons

• six electrons

Tags

NGSS.MS-PS1-1

An atom with a different number of neutrons is referred to as:

• an isotope

• an ion

• an element

• a photon

An atom that has gained or lost electrons is called:

• an element

• an isotope

• an ion

• a photon

An element can be identified by its unique number of:

• ions

• electrons

• protons

• neutrons

In the electron cloud, electrons in the outermost layer are called:

• valence electrons

• mass electrons

• bohr electrons

• anti-electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atomic number is an atom's...

• amount of charge

• number of neutrons

• amount of mass

• number of protons

Atomic mass is an atoms's...

• number of neutrons and electrons

• number of electrons and protons

• number of protons and neutrons

• number of neutrons and ions

To calculate how many neutrons an atom has...

• subtract: Atomic Mass - Atomic Number

• Add: Atomic Mass + Atomic Number

• Subtract: Number of Electrons - Number of ions

• Add: Number of Protons + Number of ions