Atomic Structure and the Periodic Table

What do we call protons, electrons, and neutrons as a group?

• components

• subatomic particles

• bonds

• periodic table of the elements

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

A neutron has this charge

• negative
• positive
• neutral

What number indicates an electron?

• 1
• 2
• 3
• 4

What number indicates the nucleus?

• 1
• 2
• 3
• 4

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

What is the atomic number?

• number of protons
• number of neutrons

The mass # tells us the mass of the atom. Which two subatomic particles make up the mass of the atom?

• protons and electrons

• neutrons and electrons

• Kyrontrons and Kytrons

• protons and neutrons

What can you do to find the number of neutrons in an atom?

• It's the same as the atomic #.

• Ask Sierra!

• Subtract the atomic # (protons) from the mass # (protons and neutrons)

• Multiply the mass # (protons and neutrons) and the atomic # (protons)