Protons, Neutrons, Electrons Basics

Where is nearly all the the mass in an atom located?

• only protons have mass

• only Neutrons have mass

• the nucleus

• the electron cloud

Tags

NGSS.HS-PS1-8

The number of these particles determines what element an atom represents.

• protons

• neutrons

• electrons

• photons

Whether an atom's nucleus is stable is determined by:

• the ratio of protons to neutrons

• the ratio of protons to electrons

• the ratio of neutrons to electrons

• the number of electrons in each energy level

Tags

NGSS.HS-PS1-8

To determine the charge of an atom you should:

• compare protons and electrons

• combine protons and neutrons

• compare protons and neutrons

• combine neutrons and electrons

An atom in its normal state will always have the same number of what particles?

• protons and neutrons

• protons and electrons

• neutrons and electrons

Tags

NGSS.HS-PS1-7

Which particle(s) has/have a negative (-) charge

• protons

• neutrons

• electrons

• photons

Which particle(s) has/have a positive (+) charge

• protons

• neutrons

• electrons

• photons

Which particle(s) has/have a neutral (0) charge?

• protons

• neutrons

• electrons

• photons

Which particle(s) has/have a mass of about 1 AMU?

• protons

• neutrons

• electrons

• photons

The mass of an atom with 3 protons, 4 neutrons, and 3 electrons is _______ AMU