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Biblioteka

3.5 Build an Atom Phet Simulation

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Posljednje ažuriranje almost 4 years ago
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Link to simulation: https://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html

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Pitanje 1
1.

Fill out the Table- Number 1 is done for you

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Pitanje 4
4.

What changed when you added 1 more electron to the H atom model?

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Pitanje 7
7.

Move the choice to each category that makes the statement true

  • Protons

  • Electrons

  • Neutrons

  • Atomic Number is the number of __________.

  • Mass Number is the number of protons + _______________.

  • An ion (charge) forms when __________ are added or removed from the atom.

1
Pitanje 8
8.

Click on Symbol icon at bottom of the page to help you fill out this chart

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Pitanje 9
9.

Draw or take a screen shot picture from phet simulation to answer.

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1
Pitanje 11
11.

Why is atom 9 a positive cation?Were electrons gained or lost in order to form the ion?

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Pitanje 13
13.

How would you build a negative ion (anion) for atom 12? Would you need to lose or gain electrons?

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Pitanje 14
14.

Draw or take a screen shot picture from phet simulation to answer

1
Pitanje 15
15.

Draw or take a screen shot picture from phet simulation to answer

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Pitanje 16
16.

The TOP NUMBER in the symbol notation for an atom represents the atom's ________________

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1
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Pitanje 25
25.

Draw or take a screen shot picture from phet simulation to answer

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1
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Pitanje 28
28.

  1. Noble gases such as Helium (He) and Argon (Ar) in group 18 on the periodic table do not form__________(ions, isotopes) because they have the maximum number of valence electrons and are _________ (stable, unstable) as a _________ (neutral, charged) atom. Choose the three correct terms to fill in blanks

Pitanje 2
2.

Why is the H atom neutral (no charge)? Select all that are true

Pitanje 3
3.

What changed when you added 1 neutron to the H atom model?

Pitanje 5
5.

What changed when you added 1 more proton to the H atom model? (choose all that apply)

Pitanje 6
6.

Changing each particle makes... (Move around the particles on the left column so that it matches what happens when that particle changes)

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Add/Remove Neutrons

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A new element forms

Add/Remove Electrons

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Same element with a different mass

Add/Remove Protons

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Forms a charge/ion of the same element

Pitanje 10
10.

Choose all that are true

Pitanje 12
12.

Draw or take a screen shot picture from phet simulation to answer

Pitanje 17
17.

The BOTTOM NUMBER in the symbol notation for an atom represents the atom's ________________

Pitanje 18
18.

A POSITIVE ION is called a ____________________ (cation, ion) and occurs when an atom ______________ (loses, gains) electrons. Choose the two correct terms to fill in blanks

Pitanje 19
19.

A NEGATIVE ION is called a ____________________ (cation, ion) and occurs when an atom ______________ (loses, gains) electrons. Choose the two correct terms to fill in blanks

Pitanje 20
20.

An ISOTOPE occurs when an element has a different ____________ (atomic number, mass number) because the number of _______________ (protons, neutrons, electrons) are different. Choose the two correct terms to fill in blanks

Pitanje 21
21.

What is the valence shell (outermost shell) for Mg?

Pitanje 22
22.

What is the valence shell (outermost shell) for Mg +2?

Pitanje 23
23.

Compare the number of valence electrons in Mg vs. Mg+2. Choose all that are true.

Pitanje 24
24.

Use the valence electrons to explain why Mg+2 is more stable than Mg.

Pitanje 26
26.

Metals such as Magnesium (Mg) easily _________(lose, gain) __________(protons, neutrons, electrons) to fill their valence shell and become __________ (stable, unstable). Choose the three correct terms to fill in blanks

Pitanje 27
27.

Nonmetals such as Fluorine (F) easily _________(lose, gain) __________(protons, neutrons, electrons) to fill their valence shell and become __________ (stable, unstable). Choose the three correct terms to fill in blanks