U2 Parts of an Atom

The atomic number always tells you

• the number of protons
• the number of electrons
• the number of neutrons
• the mass of an atom

Atomic Mass is composed of

• protons and neutrons
• protons and electrons
• neutrons and electrons

Tags

NGSS.MS-PS1-1

The two particles that affect the charge of an atom are:

• protons and neutrons
• protons and electrons
• neutrons and electrons

The periodic table is arranged by

• atomic number
• atomic mass
• alphabetically

Tags

NGSS.HS-PS1-1

If the number of electrons is changed, the atom is called

• an ion
• an isotope
• the name is the same
• you cannot change the number of electrons

If the number of protons is changed, the atom is called

• an ion
• an isotope
• the name is the same
• you cannot change the number of protons

If the number of neutrons is changed, the atom is called

• an ion
• an isotope
• the name is the same
• you cannot change the number of neutrons

A cation is an atom that has

• gained protons
• gained electrons
• lost electrons
• lost neutrons

An anion is an atom that has

• lost protons
• gained electrons
• lost electrons
• gained neutrons

An isotope is an atom with 

• the same number of protons and a different number of neutrons
• the same number of neutrons and a different number of protons
• the same number of protons and a different number of electrons
• the same number of neutrons and a different number of electrons

Tags

NGSS.MS-PS1-1