Free Printable prvky

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Worksheets

prvky

Total questions: 5

Worksheet time: 60secs

Name

Class

Date

1.

značka vápníku

a)

Na

b)

K

c)

Ca

d)

S

2.

značka olova

a)

K

b)

Pb

c)

Au

d)

Hg

3.

Co je to za prvek Hg?

a)

Hořčík

b)

Rtuť

c)

Stříbro

d)

Hliník

4.

značka křemíku

a)

Mn

b)

Mg

c)

K

d)

Si

5.

Halogeny jsou:

a)

chlor, fluor

b)

sodík, vápník

c)

železo, nikl

d)

brom, vodík

100 %

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