Atomic structure

This number is represented by the number of protons in the atom

• Atomic Mass
• Atomic Number
• Mass Number

A positively charged particle found in the nucleus of the atom

• Proton
• Electron
• Neutron

Most of the mass in an atom is made up of _____________________?

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

Tags

NGSS.MS-PS1-1

What does the 6 represent?

• Atomic mass

• atomic number

• chemical symbol

• element name

Tags

NGSS.MS-PS1-1

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

• 12 neutrons
• 12 electrons
• 12 protons
• 24 protons and neutrons

Tags

NGSS.MS-PS1-1

Protons and Electrons balance the charge of an atom.

• True
• False

Tags

NGSS.HS-PS1-7

An ______________ is the same element, with the same number of protons, but different numbers of neutrons

• Atom
• Isotope
• Atomic Number
• Mass Number

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

Tags

NGSS.MS-PS1-1

Identify letter A

• Nucleus
• Neutrons
• Protons
• Electrons

Tags

NGSS.MS-PS1-1

Identify letter B

• Nucleus
• Neutrons
• Protons
• Electrons

Tags

NGSS.MS-PS1-1