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Shalnov [3]
3 years ago
8

Finding unknown chemical

Chemistry
1 answer:
Alexeev081 [22]3 years ago
8 0

Answer:

their smell & melting point

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What type of energy is close to the flow of electrons?
dimaraw [331]

electrical energy

Explanation:

electrical energy is caused by moving partial that have a negative or positive charge these purses are called electron current electricity is electrical energy that flows from one place to another usually through a wire electricity is a type of energy that comes from an electrical energy

7 0
4 years ago
Are elements with similar chemical properties found in the same period or group on the periodic table?
saveliy_v [14]
Yes, because they are in the same group also because they are similar with  the <span>chemical properties</span>
5 0
3 years ago
Give the symbols of the ions formed when sodium reacts with chlorine
Mademuasel [1]

Answer:

When a sodium atom transfers an electron to a chlorine atom, forming a sodium cation (Na+) and a chloride anion (Cl-), both ions have complete valence shells, and are energetically more stable.

3 0
3 years ago
Which is a process that causes an organism’s poorly suited characteristics to disappear?
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4 0
3 years ago
How many grams are in 9.05 x 1023 atoms of silicon?
Sergeu [11.5K]

Explanation:

Number of moles(n)=Number of atoms(N)/Avogadro's constant.

Avogadro's constant=6.02×10²³

so we have

n=9.05×10²³/6.02×10²³

n=1.0503moles.

n=mass/molar mass

1.0503=mass/28

mass=1.0503×28

mass=29.4084g

6 0
3 years ago
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