2. Atoms & Elements

Periodic Table: Charges

How to calculate charge for ions | Find charge using periodic table - Dr K

Predict the charge of the ion formed by each element.
c. F

Determining Ionic Charges and Valence Electrons

How to Find the Ionic Charge for Transition Metals

Periodic Table: Charges Example 1

How many electrons would the cadmium ion possess? &nbsp;

Which element possesses a -2 charge when it combines with other elements? &nbsp;

Five of the boxes in the following periodic table are colored.
Predict the charge on the ion associated with each of these
elements.
<img src="https://lightcat-files.s3.amazonaws.com/problem_images/26a3869f36787648-1676387307884.jpg" alt="" />

Finding Charges of Ions on Periodic Table

Metals lose electrons and become cations. Non-metals gain electrons and become anions.

Five of the boxes in the following periodic table are colored. 
Predict the charge on the ion associated with each of these 
elements.

What is the likely charge of the element with an atomic number of 47?

Element X reacts with element Y to give a product containing X3+ ions and Y2-ions.
(d) In what groups of the periodic table are elements X and Y likely to be found?

Using the periodic table, predict the charge of the most stable 
ion of the following elements: (d) I

Periodic Table: Charges Example 2

Each of the following elements is capable of forming an ion 
in chemical reactions. By referring to the periodic table, predict 
the charge of the most stable ion of each: (c) As

Finding the Ionic Charge for Elements on the Periodic Table

Using the periodic table, predict the charge of the most stable 
ion of the following elements: (e) Sb.

Does the following drawing represent a neutral atom or
an ion?
<img src="https://lightcat-files.s3.amazonaws.com/problem_images/31c2a2acfa0e315d-1660579534505.jpg" alt="" />

Periodic Table: Charges Example 3

How to Identify the Charge of an Ion : Chemistry Lessons

Figuring out the Charge on Ions

How to Find the Charge of an Ion! (The Octet Rule)

Determine the number of valence electrons in each element.
Which elements do you expect to lose electrons in chemical
reactions? Which do you expect to gain electrons?
a. Al
b. Sn
c. Br
d. Se

Predict the charge of the ion formed by each element.
a. Mg

Transition metals have varying positive charges due to their electron arrangements.&nbsp;

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[BOOK CHEM] Clutch Version

Millikan Oil Drop Experiment

The Oil Drop Experiment helped with determining the fundamental charge of the electron.&nbsp;

Ions

Ions represent elements that possess either a positive charge or a negative charge.&nbsp;

Elements lose or gain electrons to have the ideal number of outer shell electrons like the noble gases.&nbsp;

Law of Definite Proportions

"Different samples of a pure chemical compound always contain the same proportions of elements by mass."

Periodic Table: Classifications

The Periodic Table contains 3 Major Classifications when describing its elements

Isotopes

Isotopes are atoms of an element that have the same atomic number, but different mass number.&nbsp;

The Atom

The atom represents the basic functional unit in chemistry

Mole Concept

The Mole Concept involves the interconversions between different unit amounts of a substance.

Periodic Table: Representative Elements & Transition Metals

The Groups of the Periodic Table can be broken down into the Representative Elements and Transition Metals

Atomic Theory

John Dalton, one of the "Fathers of Chemistry"is credited with modernizing the Atomic Theory.

Subatomic Particles

The atom is composed of 3 subatomic particles:neutrons, protons, and electrons.

Periodic Table: Elemental Forms

The elements of the Periodic Table exist in different elemental forms in the natural world

Periodic Table: Phases

Under standard conditions of temperature and pressure, the elements can exist as solids, liquids or gases

Atomic Mass

The atomic mass of an element includes the masses of all 3 subatomic particles of neutrons, protons and electrons.&nbsp;

Periodic Table: Group Names

The Periodic Table can be further classified into Periods and Groups.&nbsp;

Law of Conservation of Mass

"In a chemical reaction, no matter is created or destroyed, but instead changes form."

Calculating Molar Mass

Molar Mass is a physical property that represents the mass of a substance divided by the amount of that substance.

Rutherford Gold Foil Experiment

The Gold Foil Experiment helped with the discovery of the positively charged nucleus.

Law of Multiple Proportions

“When 2 elements (A &amp; B) form different compounds, the mass of Element B that combine with 1 g of A are a ratio of whole numbers."

Periodic Table: Element Symbols

The Element Symbols of the Periodic Table represent the abbreviated form of an element

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