8.5A Atoms

Which statement correctly describes the location and charge of the neutrons in an atom?

• The neutrons are inside the nucleus and have a positive charge.

• The neutrons are outside the nucleus and have a neutral charge.

• The neutrons are outside the nucleus and have a negative charge.

• The neutrons are inside the nucleus and have a neutral charge.

Tags

NGSS.MS-PS1-1

An atom has 3 protons, 4 neutrons, and 3 electrons. What is the charge of the atom’s nucleus?

• +4

• +3

• −4

• −3

Tags

NGSS.MS-PS1-1

What type of particles are found in the cloud surrounding the atom's nucleus?

• Neutral particles and positively charge particles

• Positive charge particles only

• Negatively charge particles and positively charge particles

• Negatively charge particles only

Tags

NGSS.MS-PS1-1

Which of the following best describes a proton?

• It has a positive charge and the same mass as an electron

• It has a neutral charge and the same mass as an neutron

• It has a positive charge and the same mass as an neutron

• It has a negative charge and the same mass as an electron

Where is most of the mass in an atom located?

• in the nucleus
• in the protons
• in the neutrons
• in the electrons

Tags

NGSS.MS-PS1-1

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

Tags

NGSS.MS-PS1-1

 What is the mass number of this element?

• 5
• 27
• 32
• 59

Tags

NGSS.MS-PS1-1

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

The negatively charged particles of an atom are the ______.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

What is the mass number?

• the number of protons
• the sum of the number of protons and the number of neutrons in the nucleus of an atom 
• the number of electrons
• the number of neutrons