7/25/2019 Fisa de Lucruatom

1/2

Fi de lucru Atom

1. Scrie i:

a. cinci atomi magneziu..

b. ase atomi aur

c. un atom de clord. patru atomi de hidrogen.

2. Scrie i simbolurile chimice ale elementelor: aur, argint, potasiu, sodium, mercur, fer, sulf i carbon.

Au

Ag

K

Na

Fe

S

a

!. alcula i c" i atomi din fiecare element chimic se g#sesc $ntr%un gram de element.

&. 'ezol(a i urm#torul rebus chimic:

Nal

Na2)!

*!))*

K+n)&

*2)!

a)*-2

2*2

*2S)&

7/25/2019 Fisa de Lucruatom

2/2

Na

nr p.

nr e%

nr 1 /nsarcinanuclear

a

sarcinain(elisului de e%

l

nr p.

nr e%

nr 1 /nsarcinanuclear

a

sarcinain(elisului de

e%

0.

A

1 F O S F O R

2 H I D R O G E N

3 M E R C U R

4 P L U M B

5 C A R B O N

6 L I T I U

7 C A L C I U

8 H E L I U

9 I O D

10 M A G N E Z I U

11 Z I N C

12 C L O R

B

. ompleta i figurile de mai os:

1. P

2. H

3. Hg

4. Pb

5. C

6. Li

7. Ca

8. He

9. I

10. Mg

11. Zn

12. Cl

http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#1http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#2http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#3http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#4http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#5http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#6http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#7http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#8http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#9http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#10http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#11http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#12http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#2http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#3http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#4http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#5http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#6http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#7http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#8http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#9http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#10http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#11http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#12http://www.didactic.ro/instrumente-interactive/rebus/rebus-chimic-13#1