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Ioni și caracter chimic – True/False

Yes or No

Played 26

About this activity

Testează cunoștințele despre ioni.

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Romania

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Ioni și caracter chimic – True/False
 

Ioni și caracter chimic – True/FalseOnline version

Testează cunoștințele despre ioni.

by Gina Bivolaru
1

Anionii au sarcină electrică negativă, deoarece s-au format prin acceptare de electroni.

2

Ionii sunt specii chimice cu sarcină electrică egală cu numărul de electroni cedați sau acceptați de atomul de la care provin.

3

Toți ionii au sarcină pozitivă.

4

Atomul este o particulă cu sarcină electrică pozitivă sau negativă.

5

Cationii au sarcină pozitivă, deoarece au cedat electroni.

6

Atomul de sodiu (Z=11) formează ioni negativi.

7

Nemetalele formează ioni negativi.

8

Atomii care formează ioni pozitivi au caracter nemetalic.

9

Metalele formează ioni pozitivi.

10

Ionii pozitivi se formează prin cedare de electroni.

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