Physics

Label the following atom

What is in the center of an atom?

• Protron

• Neutron

• Electron

• Nucleus

Which part of an atom is positive?

• Protron

• Neutron

• Electron

• Nucleus

Which part of an atom is negative?

• Protron

• Neutron

• Electron

• Nucleus

Which part of an atom is neutral?

• Protron

• Neutron

• Electron

• Nucleus

What happens when one atom rubs up against another atom?

• They always become positive ion

• They always become positive ion

• They always become charged

• They always trade electrons

• They might trade electrons

When an atom loses electrons it becomes a (what) ion?

When an atom gets electrons it becomes a (what) ion?

What is an atomic number?

• The number of protons in an atom/ element

• The number of neutrons in an atom

• The number of electrons in an atom

• The number of atoms in an element

• The number of protrons and electrons in an element

What is the atomic number of Iron?