Metalai 8 klasė
Quiz
•
Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Hard
Jelena jelenasuskevic@rambler.ru
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bendrosios metalų fizikinės savybės yra:
Lydymosi temperatūra, kvapas, tirpumas vandenyje
Kietumas, tankis, magnetinės savybės
Plastiškumas, spalva, elektrinis ir šilumos laidumas
Minkštumas, lengvumas, trapumas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Geriasiai praledžia elektra .......
Gyvsidabris
Varis
Geležis
Sidabras
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lengviausias metalas yra .........
Cinkas
Litis
Geležis
Aliuminis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuris metalas yra geltonos spalvos?
Varis
Geležis
Auksas
Natris
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kiek elektronų turi calcio atomas paskutinieme lygmenyje?
4
2
8
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kiek protonų, elektronų, neutronų turi kalis ?
p = 19
e = 19
n = 19
p = 19
e = 19
n = 20
p = 19
e = 20
n = 19
p = 20
e = 20
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Visi metalai, išskyrus ..........................., kambario temperatūroje yra kietosios medžiagos.
8.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Ką tik perpjauto metalo paviršius visada ........................................ .
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