Structure of an atom

A proton is a _____ charged particle.

• Negatively
• Positively

An electron has a _____ charge.

• negative
• positive
• neutral

Tags

NGSS.MS-PS2-3

What number on the element key tells you how many protons an element has?

• Atomic Mass
• Element name
• Atomic number
• Element Symbol

Which particles make up the nucleus of an atom?

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

Tags

NGSS.MS-PS1-1

Sodium has an atomic number of 11, how many protons does this atom have?

• 22
• 11
• 12
• 2

Tags

NGSS.MS-PS1-1

Elements can have the same number of protons?

• True
• False

What is the charge of the neutron?

• Negative
• Positive
• electrical charge
• Neutral (no charge)

The following element key shows how many protons?

• 16
• 15.999
• Oxygen
• 8

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

Where is the neutron located?

• In the loose nucleus with the electron
• In the dense nucleus with the protons
• In the electron cloud
• The nucleus floats on orbitals