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Natasha_Volkova [10]
3 years ago
9

Will give brainly/ How many stars are in the Solar System?

Chemistry
2 answers:
densk [106]3 years ago
8 0

<em>Answer: </em>

<h2><em>✨Hello Good morning the answer is 1 because of the sun thank you and I hope you have a blessed day!!!✨</em></h2>
Fantom [35]3 years ago
7 0

Answer:

1 star

Explanation:

the one star is the sun

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The net charge of an ionic compound is
nadya68 [22]

Answer:

D

Explanation:

Any ionic compound will have a net charge of zero.

5 0
3 years ago
John dalton postulated several statements about the atom. which statement did he NOT state?
algol [13]

Answer:

The atom is divisible particle and can be subdivided into smaller particles proton, neutron and electrons was not stated by John dalton.

Explanation:

The postulate of Dalton's atomic theory  that atom is indivisible particle and can not be subdivided into smaller particles was later changed because atom can be divided into neutrons, protons and electrons.

Electron:

The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.

Symbol= e⁻

Mass= 9.10938356×10⁻³¹ Kg

It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.

Proton and neutron:

While neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.

Symbol of proton= P⁺

Symbol of neutron= n⁰  

Mass of proton=1.672623×10⁻²⁷ Kg

Mass of neutron=1.674929×10⁻²⁷ Kg

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron.

7 0
3 years ago
7) Why are fuel cells considered a "clean" energy source? *
Talja [164]
Hydrogen can be considered as a clean energy carrier similar to electricity. Hydrogen can be produced from various domestic resources such as renewable energy. ... Power generation,a hydrogen fuel cell generates electricity and gives off heat and water.
6 0
3 years ago
On a violin, the highest note Mandy can play is an A-note, which produces a sound wave with a high frequency. The lowest note sh
koban [17]

Answer:

the g note moves slower then the a note

7 0
3 years ago
Read 2 more answers
HELP PLZ
Vinvika [58]

Answer:

1). 19.9

2). 0

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3 years ago
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