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Algemene chemie oefeningen hoofdstuk 2

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Algemene chemie oefeningen Mastering Chemistry

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March 16, 2019
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Written in
2018/2019
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Chemie oefeningen hoofdstuk 2

1. benoem de groepen op de tabel van mendeljev


a) c) d) e)


b)

f)

j)



i) g)


h)




Oplossing:

a) aardalkalimetalen b) waterstof c) overgangsmetalen d) halogenen e) helium
f) edelgassen g) halfmetalen h) actiniden i) lanthaniden j) alkalimetalen

2. Wat is het chemische symbool voor platinum?

Oplossing:

Pt

3. Het element in periode 6 en groep 5 A is …?

Oplossing:

Bi

4. Welk van volgende elementen heeft gelijkaardige chemische eigenschappen als zuurstof? Litium,
selenium, helium of boor ?

Oplossing:

Selenium

5. Het symbool van de isotoop met Z = 88 en A = 226 is ?

Oplossing:
226
88 Ra

6. Hoeveel protonen en neutronen zitten er in een atoom 3890Sr?

Oplossing:
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