Wednesday 4/3 Check In: Parts of an Atom

Poll

Wednesday 4/3 Check In

How are you feeling today?

• Focused

• Annoyed/Mad

• Sleepy

• Hungry

Open Ended

Read the statement. Explain what it means about atoms in your own words.

What are the parts of the current model of the atom?

• NUCLEUS: the dense/solid center part of an atom where most mass is found; contains the protons and the neutrons

• ELECTRON CLOUD: mostly empty space surrounding nucleus where electrons are found

Labeling

Label the Protons, Electrons, Neutrons, Nucleus

Drag labels to their correct position on the image

Nucleus

Protons

Electrons

Neutrons

Reorder

Identify the FIRST 5 elements in the Periodic Table.

• H

  Hydrogen

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Identify which subatomic particle determines an atom's identity

• Proton

• Neutron

• Electron

• None of these

Draw

Circle the letter that represents the # of PROTONS in an element

Draw

Circle the letter that represents the MASS # in an element

Multiple Select

Identify which subatomic particles determines the MASS of an element. Select 2!

• Proton

• Neutron

• Electron

• None of these

Reorder

Place each element from LIGHTEST to HEAVIEST based on their MASS.

MASS is the BOTTOM middle #

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

• 2 or more ATOMS collide to produce dangerous radiation.

• Law of Conservation of Mass: TOTAL protons and mass numbers MUST be the same on both sides

​

Atomic Radiation

Match

Look at the Nuclear equation & match MASS for each element

• Uranium (U)

• Thorium (Th)

• Helium (He)

238

234

4

• 238

• 234

• 4

Match

Look at the Nuclear equation & match ATOMIC # for each element

• Uranium (U)

• Thorium (Th)

• Helium (He)

92

90

2

• 92

• 90

• 2

Multiple Choice

What do you notice about the TOTAL Mass & Atomic # on BOTH sides of the equation?

• TOTAL on BOTH sides NOT equal

• TOTAL on BOTH sides are EQUAL

Multiple Choice

The Law of Conservation of Mass says that mass can neither be _____ nor _____

• gained; lost

• created; destroyed

• started; ended

• opened; closed

Draw

Circle the NUCLEAR FISSION

Multiple Choice

Nuclear FISSION is when the atoms....

• Splits apart and get lighter

• Fuse or join together to be heavier

Multiple Choice

Nuclear FUSION is when the atoms....

• Splits apart and get lighter

• Fuse or join together to be heavier

Draw

Circle the NUCLEAR FUSION

Multiple Choice

Complete the nuclear reaction

₂₇⁶⁰Co --> ___ + _-1⁰e

• ₂₅⁵⁶Mn

• ₂₈⁶⁰Ni

• ₂₃⁵⁸V

• ₂₇⁵⁹Co

Multiple Choice

Solve this equation for alpha decay.
²⁰⁹₈₅At = ___ + ⁴₂He

• ²⁰⁵₈₃Bi
• ²⁰⁹₈₆Rn
• ²⁰⁷₈₁Tl
• ²⁰⁸₈₅At

Multiple Choice

What is the missing isotope that will balance the following nuclear equation?
⁹₄Be  +  ¹₁H →  _____  +  ⁴₂He

• ¹⁰₅B
• ¹⁰₅Ne
• ⁶₃Li
• ⁶₃C

Multiple Choice

What element is the ?

• Ag-115
• Cd-115
• Pd-115
• Not Listed

Poll

Do you know how to find the missing element in a Nuclear Equation?