Nguyên tử gồm những hạt nào?

KHTN 7.1

Quiz
•
Social Studies
•
7th Grade
•
Hard
Trâm Phương
Used 3+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proton
Electron
Neutron
Cả 3 đáp án trên
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Iron được kí hiệu là:
Fe
FE
fE
fe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đến nay, người ta phát hiện bao nhiêu nguyên tố hóa học
116
117
118
119
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tính tốc độ
v= s/t
v=s.t
v = t/s
cả ba đáp án trên đều sai
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
V là kí hiệu cho đại lượng nào?
vận tốc
tốc độ, vận tốc
quãng đường
thời gian
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quãng đường được kí hiệu là gì?
s
t
v
d
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn vị đo thời gian
giây (s)
giờ ( h)
Phút (min)
Cả 3 đáp án trên
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