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2 years ago

5

How many elements are there

2 answers:

Kobotan [32]2 years ago

8 0

Explanation:

there are 118 elements.

Levart [38]2 years ago

6 0

Answer:

there r 118 elements in periodic table..

hope it helps.

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vredina [299]

Answer:

the answer is A

Explanation:

I dont really have an explanation but hope it helps

5 0

2 years ago

Read 2 more answers

How do we find the number of electrons in an atom?

Anon25 [30]

I Believe this is the right answer:

Get a periodic table of elements. ...

Find your element on the periodic table. ...

Locate the element's atomic number. ...

Determine the number of electrons. ...

Look for the atomic mass of the element. ...

Subtract the atomic number from the atomic mass.

Hoped this helped!

5 0

3 years ago

When many atoms are split in a chain reaction, a large explosion occurs. This is an example of what type of energy conversion? (

lara31 [8.8K]

Answer:

I think is chemical and nuclear

8 0

3 years ago

Read 2 more answers

What type of reaction is shown below? Check all that apply. 2Mg+O2—> 2MgO

SSSSS [86.1K]

Answer:

Reaction types are :

Combination(Mg and O combine)
Oxidation (O added to Mg)
Exothermic (light and heat released)

7 0

3 years ago

Read 2 more answers

Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimen

murzikaleks [220]

Answer: Rate law is, R= 6.02[A]¹[B]²

Explanation in attached image

5 0

3 years ago