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lana [24]
2 years ago
8

PLS I WILL GIVE BRAINLY How do the number of violence electrons of the light metals compared to those heavier than boron

Chemistry
1 answer:
SCORPION-xisa [38]2 years ago
4 0

The valence electron of the light metals are all in the range of 1 to 3.

<h3>What are Valence electron ?</h3>

Valence Electron is the number of electrons in the outer shell of an atom which participate in bond formation.

Number of Valence Electron in Boron is 3 and other light metals lighter than Boron have 1 , 2 of Lithium and Beryllium respectively,

The valence electron of the light metals are all in the range of 1 to 3.

To know more about Valence Electron

brainly.com/question/12717954

#SPJ1

<h3 />
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Please help me with this question
Inessa05 [86]

From the calculation, the concentration in parts per billion is 6 ppb.

<h3>What is ppb?</h3>

The term ppb refers to the concentration of a substance in parts per billion. We obtain the ppb using the formula;

Mass of solute/ Mass of solution * 10^9

Now, 1L = 1000cm^3 = 1000 g

The concertation in ppb = 6 * 10^-6 g/1000 g * 10^9

= 6 ppb

Learn more about parts per billion:brainly.com/question/9179966

#SPJ1

4 0
2 years ago
how much heat in joules would be required to raise the tempurture of 450g of aluminum from 19.5c to 31.2c
Mama L [17]
Answer is 19.5c I think
4 0
3 years ago
This is a type of element or substance that is not a metal.
Aloiza [94]
Non-metal elements are Noble gases,Halogens,nonmetals,semimetals(metalloids). ( and maybe other metals)
3 0
3 years ago
HURRRYYYY
Sedaia [141]

Answer:

1, 2, 1

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

4 0
3 years ago
Read 2 more answers
A beaker containg ice and water is placed on a warm hotplate. Will the ice in the beaker undergo a physical or chemical change?
Darina [25.2K]

Answer: physical

Explanation: water doesn't undergo chemical change when it melts and freezes, because either way frozen or not the molecules are the same. hope i helped ;] BRAINLYEST?????

6 0
3 years ago
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