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KengaRu [80]
3 years ago
15

An objective that revolves around a planet is... A) star B) moon C)dwarf planet

Chemistry
1 answer:
Evgen [1.6K]3 years ago
5 0

Answer:

B. Moon

Explanation:

An object revolving around a star is a planet or a dwarf planet (dependent on size).

An object revolving around a planet is a moon.

An object revolving around a black hole is a goner.

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Một hỗn hợp X gồm CH3OH; C2H5OH; phenol có khối lượng 28,9 gam phản ứng vừa hết với 100ml dung dịch NaOH 2M. Phần trăm theo khối
inn [45]

Answer: bạn viết phương trình Phenol + NaOH

=> nNaOH = nPhenol = 0,2 mol

m Phenol = 0,2x94 = 18,8 gam

%mPhenol = 18,8/28,9% = 65,05

Explanation:

5 0
3 years ago
Why do other elements need to bond with one another?
Marysya12 [62]

Answer:

Atoms form chemical bonds to make their outer electron shells more stable. The type of chemical bond maximizes the stability of the atoms that form it.

7 0
3 years ago
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Considering all types of aerosols, what is their net effect on the climate system:
timurjin [86]
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3 years ago
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This scientist led a series of experiments that used high speed lightweight atoms called alpha particles to bombard very thin pi
ss7ja [257]

Answer:

B. Ernest Rutherford

Explanation:

Ernest Rutherford was a renown Physicist and a Physics Nobel price winner. In 1911 he proposed the planetary model of atom. When the experiment were conducted he proposed that the atom had a charged nucleus and are surrounded by electrons. This finding was the basis for subsequent studies on radioactivity.

3 0
3 years ago
Define the term valence electron and explain how to find the number of valence electrons in family one and family 2.
goblinko [34]
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Hope this helps
8 0
4 years ago
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