Número Atómico e Número de Massa (PPoint)
Authored by A. Gören
Chemistry
9th Grade
Used 3+ times
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15 questions
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1.
DRAG AND DROP QUESTION
1 min • 1 pt
Átomos de diferentes elementos químicos diferem no número de ____.
(a)
2.
DRAG AND DROP QUESTION
1 min • 1 pt
O oxigénio-16 tem ___ protões.
(a)
6
7
9
3.
DRAG AND DROP QUESTION
1 min • 1 pt
O número atómico identifica os ________ químicos.
(a)
compostos
isótopos
4.
DRAG AND DROP QUESTION
1 min • 1 pt
Átomos de diferentes elementos químicos têm diferente número de ________.
(a)
neutrões
eletrões
massa
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a diferença entre os átomos apresentados na imagem?
Número de eletrões
Número de protões
Número de neutrões
Número de partículas subatómicas
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o número atómico dos átomos de oxigénio representados?
6
7
8
9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O número de massa do oxigénio-17 é ___.
16
17
18
19
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