Atomic structure

Atomic structure

LT 3-6

Objective

• We Will identify the charge, mass, & location of the subatomic p

• I Will

Multiple Choice

What are subatomic particles? 

• the nucleus 
• electron cloud
• positive charge
• electrons, protons, and neutrons

Multiple Choice

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Multiple Choice

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Multiple Choice

Subatomic particle with a charge of 0

• neutron
• proton
• electron
• quark

Multiple Choice

What is the center of an atom containing protons and neutrons?

• nucleus

• neutron

• proton

• electron cloud

Multiple Choice

What is the system of electrons surrounding the nucleus of an atom?

• valence electrons

• nucleus

• electrons

• electron cloud

Multiple Choice

These are found in the nucleus and have a neutral charge.

• proton

• electron

• neutron

Multiple Choice

Which of the following determines the identity of an element?

• number of protons

• atomic mass

• number of neutrons

• number of shells

Multiple Choice

Which of the following particles has the smallest mass?

• neutron
• proton
• nucleus
• electron

Multiple Choice

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons

• Protons only

• Protons and Electrons

• Protons and Neutrons

Multiple Choice

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons

• Protons only

• Protons and Electrons

• Protons and Neutrons

Multiple Choice

Valence electrons are the...

• Innermost electrons

• Middle electrons

• Outermost electrons

• Any electrons

Multiple Choice

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Multiple Choice

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Multiple Choice

• 2

• 8

• 3

• 13

Multiple Choice

How many valence electrons does an atom of Fluorine have?

• 11

• 2

• 9

• 7

Multiple Choice

How many valence electrons does this atom have?

• 11

• 2

• 5

• 7

Bohr Model

- Protons and neutrons are in the nucleus

- Electrons circle the nucleus in shells

-Each energy level (shell) has a maximum number of electrons it can hold

-Energy Level Rules: 2-8-8

Multiple Choice

The first energy level can hold up to how many electrons?

• 8

• 4

• 2

• 5

Multiple Choice

What is the energy level rule

• 1-2-3

• 2-2-8

• 8-2-8

• 2-8-8