Unit 2 Ūnderstanding Matter

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Unit 2 Understanding Matter

Atomic Mass/Structure

Two Types of Ion

- Anions = Negative

- Cations = Positive

What is an Isotope: Isotopes same element (atoms) with a different atomic mass (different number of neutrons)

PROTONS + ELECTRONS

ATOM IS NOT A CIRCLE (ALWAYS MOVING)

Number of Neutrons = THE ATOMIC MASS

Atomic Structure

PROTONS + POSITIVE CHARGE

ELECTRONS - NEGATIVE CHARGE

NEUTRONS_ NEUTRAL CHARGE

Atomic Number: number of protons

Hydrogen: ONLY HAS ELECTRONS AND PROTONS

ATOMIC MASS: is the equal number of protons and neutrons

Matter

What are the different Types of Matter?

What are the different States of Matter?

How is are mass and weight different?

What is Matter?

Main topic

Subtopic

Topic 2.2 Atomic Mass/Structure

Should Do's:

!. Write and interpret symbols that depict the atomic number, mass number, and charge of an atom or ion 2. Define the atomic mass unit and average atomic mass. 3. Calculate average atomic mass and isotopic abundance. 4. Differentiate between cations and anions. 5. Explain why isotopes are scientifically important.

Should Knows: Define: proton, neutron, electron, isotope, atomic mass, atomic number, cation, anion

Category

Cause

Secondary Cause

Topic 2.0 What is Matter?

Vocabulary

Should Do's 1.Distinguish between mass and weight. 2.Apply the law of conservation of matter. 3.Classify matter as an element, compound,homogeneous mixture, or heterogeneous mixturewith regard to its physical state and composition.

Should Knows Define: Matter, mass, weight, homogeneous mixture, heterogeneous mixture