Elemente chimice si compusi chimici

Elemente chimice si compusi chimici

6th - 8th Grade

10 Qs

quiz-placeholder

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Elemente chimice si compusi chimici

Elemente chimice si compusi chimici

Assessment

Quiz

Science

6th - 8th Grade

Medium

Created by

MARIANA HOLCA

Used 3+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Elementul se numeste:

Hidrogen

Heliu

Calciu

Mageziu

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Dioxidul de carbon - CO2 este format din:

2 atomi de carbon si 1 atom de oxigen

2 atomi de oxigen si 1 atom de carbon

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Al 45-lea element din sistemul periodic este:

Aur

Rhodiu

Argint

Fier

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

NaCl (clorura de sodiu) se mai numeste si:

sare amara

sare de bucatarie

piatra iadului

piatra vanata

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simbolul chimic si numarul de masa pentru Calciu este:

40Ca

12C

37Cl

20Ca

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Alegeti metalele din compozitia fertilizatorului pentru plante:, reprezentat in imagine:

;

Fe, Zn, Cu

B, Fe

B, Cu

B,Zn

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care dintre urmatoarele substante nu este un compus.

H2SO4

CO2

Mg

CaCl2

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