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KonstantinChe [14]
3 years ago
14

What does the Law of conservation of matter say

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
3 0

Answer: during a chemical reaction, matter cannot be created or destroyed

Explanation:

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What is the formula for P₃O₅?
marshall27 [118]

Answer:

i hope its help you

Explanation:

and goodnight,goodevening,goodmorning

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2 years ago
how does the main function of the nervous system help the body react to internal and external stimuli??
Irina-Kira [14]
Nerves send signals to your brain from your spinal cord. If something is burning your nerves will send a pain signal from the area of the burn to your brain through you spinal cord. Then your brain sends a signal back to the nerves that there is pain and you should avoid it. Same with internal nerves and same with touch.
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3 years ago
How are the valence electrons organized to form a bond between the atoms
Elina [12.6K]

Answer: add up to eight

Explanation: NaO as one bond as it takes only one and seven to make eight. Leaving NaO with three lone pairs

6 0
3 years ago
After he finished his work, Mendeleev predicted _____.
Alex17521 [72]

Answer:

the properties of three undiscovered elements  is the correct answer.

Explanation:

After he completed his work Mendeleev predicted the properties of the undiscovered elements.

In the year 1871, Dmitri Mendeleev predicted the detailed existence and the properties of the three elements that are undiscovered and he gained tremendous fame.

He left the gap in the table to put the elements which are not identified at that time and by glancing at the physical and chemical properties of an element next to the gap, Mendeleev could predict the properties of the not discovered elements.

4 0
3 years ago
I’ll mark brainliest please
DaniilM [7]
I’m assuming your just writing the formula? If so
Potassium chloride: KCL
Potassium nitride: KNO2
Potassium sulfide: K2S
calcium chloride: CaCl2
Calcium nitride: Ca3N2
Calcium sulfide: CaS
Silver chloride: AgCl
Silver nitride: Ag3N
Silver sulfide: Ag2S
Manganese (||) chloride: MnCl2
Manganese (||) nitride: Mn3N2
Manganese (||) sulfide: MnS
5 0
2 years ago
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