
LUYỆN TẬP SL BTHNTHH
Authored by châu phương
Chemistry
7th Grade

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60 questions
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1.
OPEN ENDED QUESTION
20 sec • 1 pt
BTH có mấy chu kì?
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2.
OPEN ENDED QUESTION
20 sec • 1 pt
Điền vào chỗ trống: "Chu kì là tập hợp các nguyên tố mà nguyên tử của chúng có …………………. bằng nhau"
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3.
OPEN ENDED QUESTION
20 sec • 1 pt
Bảng tuần hoàn có mấy nhóm A và nhóm B?
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4.
OPEN ENDED QUESTION
20 sec • 1 pt
Điền vào chỗ trống: "Các nguyên tố trong bảng tuần hoàn được sắp xếp theo chiều ………..số đơn vị điện tích hạt nhân"
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5.
OPEN ENDED QUESTION
20 sec • 1 pt
Các nguyên tố ở chu kì 5 có mấy lớp electron trong nguyên tử?
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6.
OPEN ENDED QUESTION
20 sec • 1 pt
Phần lớn các nguyên tố hóa học trong bảng tuần hoàn là kim loại, phi kim hay khí hiếm?
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7.
OPEN ENDED QUESTION
20 sec • 1 pt
Nguyên tố nào thường được sử dụng để khử trùng nước?
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