Ions, Lewis Symbol and Atomic #

What are the names of the 2 models that we have been using?

• Bohr and Newton Structures

• Lewis and Caroll Models

• Bohr Model & Lewis Dot Structure

• Element & Atom structures

Electron live in something called __________.

• nucleus

• orbits

• Shells or Energy levels

• Valences

What is a Lewis Dot Structure?

• It shows all of the particles in the atom.

• Contains protons and neutrons

• Only shows the element symbol and it's outer most electron shell

• Contains protons and electrons

Tags

NGSS.MS-PS1-1

What is defined as defined as the number of protons?

• Atomic mass

• Atomic number

• a.m.u

• Group

What is the atom called when there is adding or removing electrons creates atoms with (+) or (-) charges?

• isotopes

• ions

• neutral

• stable

What is the drawing of an atom that only has the symbol and the valence electrons?

• Lewis Dot Diagram

• Bohr Diagram

• Thompson Diagram

• Dalton Diagram

Each column of the Periodic Table are known by this number

• Period

• Group

• Family

• Transition Metals

The mass of a proton is _______.

• 1 amu
• 1 gram
• has no mass
• undetermined

The Lewis symbol for an element consists of the element's chemical symbol plus ___.

• valence electrons

• atomic number

• atomic mass

• atomic radius

A very astute AP chemistry student found a substance that has a dull luster, is very brittle, does not conduct heat or electricity and forms an anion when dissolved in water. What did the student find?

• Metal

• Nonmetal

• Gas

• Transition Metal